Python 14

90,90=2*3*3*5

nk
(1)n
(2)nknkknk,n,
(3)nkk+1k,

(Python 2.0+)

#!/usr/bin/python # -*- coding: UTF-8 -*- def reduceNum(n): print '{} = '.format(n), if not isinstance(n, int) or n <= 0 : print ' !' exit(0) elif n in [1] : print '{}'.format(n) while n not in [1] : # for index in xrange(2, n + 1) : if n % index == 0: n /= index # n n/index if n == 1: print index else : # index print '{} *'.format(index), break reduceNum(90) reduceNum(100)

(Python 3.0+)

#!/usr/bin/python3 def reduceNum(n): print ('{} = '.format(n), end=" ") if not isinstance(n, int) or n <= 0 : print (' !') exit(0) elif n in [1] : print ('{}'.format(n)) while n not in [1] : # for index in range(2, n + 1) : if n % index == 0: n //= index # n n//index if n == 1: print (index ) else : # index print ('{} *'.format(index), end=" ") break reduceNum(90) reduceNum(100)

90 =  2 * 3 * 3 * 5
100 =  2 * 2 * 5 * 5

[Python 100] Python 100

AI ...

Python 13

Python 15

15

Python3

#!/usr/bin/python3

x = int(input("1 0\n"));
while(x):
    n = int(input(""));
    print ("%d = " %n , end = '');
    while n not in [1]:
        for index in range(2, n+1):
            if n % index == 0:
                n = int(n/index);
                if n == 1:
                    print("%d " %index , end = '');
                else:
                    print("%d * " %index , end = '')
                break;
    print();
    x = int(input("1 0\n"));

1 0
1
90
90 = 2 * 3 * 3 * 5 
1 0
1
100
100 = 2 * 2 * 5 * 5 
1 0
0

9 (2017-04-19)

Python3

#!/usr/bin/python3

def prime(n):
    l = []
    while n > 1:
        for i in range(2, n + 1):
            if n % i == 0:
                n = int(n / i)
                l.append(i)
                break    
    return l


s = input(":")
if s.isdigit() and int(s) > 0:
    print(s, "=", "*".join([str(x) for x in prime(int(s))]))
else:
    print("")

JohnLee9 (2017-04-19)

#!/usr/bin/python
# -*- coding: UTF-8 -*-

input = int(raw_input(""))

temp = []
while input!=1:
    for i in range(2,input+1):
        if input%i == 0:
            temp.append(i)
            input = input/i
            break
print temp

Chivalry9 (2017-04-25)

#!/usr/bin/python
# -*- coding: UTF-8 -*-

import math

l=[]
def resolve(num):
    do=0
    if num<1:
        return
    elif num==1:
        l.append(num)
        return
    for i in range(2,int(math.sqrt(num))+1):
        if num%i==0:
            do=1
            l.append(i)
            num=num/i
            resolve(num)
            break
    if do==0:
        l.append(num)
num=int(raw_input())
resolve(num)
print l
print "%d ="%num,
for k in range(len(l)):
    if k!=len(l)-1:
        print "%d *"%l[k],
    else:
        print "%d" % l[k]

Eric9 (2017-04-25)

#!/usr/bin/python
# -*- coding: UTF-8 -*-

n=int(raw_input('Please input a number:'))
n1=n
l=[]
while n>1:
    for i in range(2,n+1):
        if n%i==0:
            n=n/i
            l.append(str(i))
            break

print '%d=' %n1 + '*'.join(l)

Kunz9 (2017-05-09)

Python3

#!/usr/bin/env python3

from math import sqrt

flag = 0
n = int(input(""))
print("%d="%n,end="")
m = int(sqrt(n)) + 1
for j in range(n):
    for i in range(2,m):
        if n%i == 0:
            if n == i:
                flag = 1
                print("%d"%i,end='')
            else:
                print("%d*"%i,end='')
                n /= i
            break
    if flag == 1:
        break

Almighty9 (2017-05-29)

Python3.6

#!/usr/bin/python3

x=input(":")
if x.isdigit() and int(x)>0:   
    x=int(x)
    t,i=1,2
    print(x,end="=")
    while t>=0:
        if x%i==0:
            print(i,end="")
            x/=i     
        t=x-i
        if x!=1:
            print("*",end="")
        while x%i and x!=1:
            i+=1
else:
    print("")

Mark9 (2017-06-27)

Python3

def factor(n):
  fac = []
  hf = n//2
  while n>1:
    for i in range(2, hf+1):
      if n%i == 0:
        n //= i;  fac.append(i);  break
  return fac

n = int(input("input a number: "))
print(n, "=", factor(n))

CosmosHua9 (2017-07-11)

#!/usr/bin/python
# -*- coding: UTF-8 -*-

num=raw_input(':\n')
num=int(num)
print '%d =' %num,
i=2
while i<=num:
    if num%i==0:
        if num==i:
            print '%d' %i,
            break
        else:
            num=num/i
            print '%d *' %i,
    else:
        i+=1

kevinjin9 (2017-07-24)

Python 3.x

import math

def isprime(num):
    flag=1
    for i in range(2,int(math.sqrt(num))+1):
        if num%i==0:
            flag=0
            break
    if flag:
        return True
    else:
        return False

    
num=int(input('input a number:'))
print(num,'=',end='')
while(not isprime(int(num))):
    for i in range(2,int(num)):
        if num%i==0:
            print(i,'*',end='')
            num/=i
            break
print(int(num))

9 (2017-09-12)

Python3

import math

print("")
n = int(input())
if n <= 0:
    print("")
i=2
if n!=1:
    while i!=n:
        if n % i == 0:
            print(i)
            n = n // i
        else:
            i+=1
    print(i)
else:
    print(n)

9 (2017-09-19)

#!/usr/bin/python
# -*- coding: UTF-8 -*-
n=2
def fenjie(num):
  global n
  while n<=num:
    if n==num:
      print n
      break
    elif n<num and num%n==0:
      print '%d*'%n,
      num/=n
      fenjie(num)
      break
    elif n<num and num%n!=0:
      n+=1
      fenjie(num)
      break

number=input("input a number:")
print '%d='%number,
fenjie(number)

wuhangxiang9 (2017-10-24)

, python2.x python3.x

#!/usr/bin/python
# -*- coding: UTF-8 -*-

num = int(input(''))

def fenjie(num):
    strf = '{}='.format(num)
    flag = True
    while flag:
        for i in range(2,num+1):
            if not num%i:
                if i==num:
                    flag = False
                    strf = strf + str(i)
                else:
                    strf = strf + str(i) + '×'
                    num = num//i
                break
    return strf
print(fenjie(num))

Echo9 (2017-12-05)

Python3

#primeprime()
def prime():
    i=2
    while 1:
        for j in range(2,i):
            if i%j==0:
                i+=1
                break
        else:
            yield i
            i+=1
       

k=int(input("1 0\n"))    
while k:
    n=int(input('1'))
    print(str(n)+'=',end='')
    flag=1
    while flag:
        for i in prime():
            if not n%i:
                if i==n:
                    flag=0
                    print(i)
                else:
                    print(str(i)+'*',end='')
                    n=n//i
                break
    print('\n')
    k=int(input("1 0\n"))

9 (2018-02-09)

Python3: f(x), x :

#isprimex10
def isprime(x):
    for i in range(2,x):
        if x%i==0:
            return 0
    else:
        return 1

#f(x),x
def f(x):
    while not isprime(x):
        for i in range(2,x):
            if x%i==0:
                x=x//i
                yield i
                break
    yield x

k=int(input('1 0\n'))
while k:
    n=int(input('num:'))
    print(str(n)+'=',end='')
    s=''
    for j in f(n):
        s+=str(j)+'*'      
    print(s[:-1])
    print()
    k=int(input('1 0\n'))

9 (2018-02-12)

--

Python

Python 14

(Python 2.0+)

(Python 3.0+)

15