хорошие числа

from math import sqrt
(n,k) = map(int,input().split())
a = [0]*(n+1)
out = []
d = []
###################################
for i in range(2,int(sqrt(n))):
    for j in range(i,n+1,i):
        if j != i:
            a[j] = 1
a[:2] = (1,1)
if k**2 < n and a[k] == 0: a[k**2] = 0
if k<n: a[k] = 1
####################################
for i in range(2,len(a)-1):
    if a[i] == 0 and n%i == 0:
        while n%i == 0:
            n = n//i
            out.append(i)
    if n <= 1:
        print(" ".join(map(str,sorted(out))))
        break
else: print(-1)