1658 : 최대공약수와최소공배수

def gcd(a,b):
    if(a%b==0): return b
    return gcd(b,a%b)

def lcm(a,b):
    return a*b//gcd(a,b)


a,b = map(int,input().split())

print(gcd(a,b))
print(lcm(a,b))