import math
n,k = map(int,raw_input().split())

a = [i for i in range(2,n+1)]
p = []
while a:
	if a[0] <= math.sqrt(a[-1]):
		p.append(a[0])
		a = filter(lambda x:x%a[0]!=0, a)
	else:
		p += a
		break
b=[2,1]
if n not in p:
	for i in p:
		if n%i == 0:
			s = n/i
			b = [i,s]
			break
print b[1]