import math
m = int(input("请输入一个整数(>1)："))
k = int(math.sqrt(m))
for i in range(2, k+2):
  if m % i == 0:
    break #可以整除，肯定不是素数，结束循环
if i == k+1: print(m, "是素数！")
else: print(m, "是合数！")

import math
m = int(input("请输入一个整数(>1)："))
k = int(math.sqrt(m))
flag = True #假设输入的整数为素数
i = 2
while (i <= k and flag == True):
  if (m % i == 0): flag = False #可以整除，肯定不是素数，结束循环
  else: i += 1
if (flag == True): print(m, "是素数！")
else: print(m, "是合数！")

import math;n=0
for m in range(101,201,2):
  k = int(math.sqrt(m))
  for i in range(2,k+2):
    if m % i == 0:break
  if i == k+1:
    if n % 10 == 0:print()
    print('%d' % m,end=' ')
    n += 1