def prime_factorize(n):
    a = [1]
    while n % 2 == 0:
        a.append(2)
        n //= 2
    f = 3
    while f * f <= n:
        if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
    if n != 1:
        a.append(n)
    return a


A, B = map(int, input().split())
cds = set(prime_factorize(A)) & set(prime_factorize(B))
print(len(cds)) def prime_factorize(n):
    a = [1]
    while n % 2 == 0:
        a.append(2)
        n //= 2
    f = 3
    while f * f <= n:
        if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
    if n != 1:
        a.append(n)
    return a prime_factorize a = [1] a [1] 1 while n % 2 == 0:
        a.append(2)
        n //= 2
     n % 2 == 0 n % 2 n 2 0 a.append(2) a.append a append 2 n //= 2 n 2 f = 3 f 3 while f * f <= n:
        if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
     f * f <= n f * f f f n if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
     n % f == 0 n % f n f 0 a.append(f) a.append a append f n //= f n f f += 2 f 2 if n != 1:
        a.append(n)
     n != 1 n 1 a.append(n) a.append a append n return a a n n A, B = map(int, input().split()) A map(int, input().split()) map int input().split() ().split () input split B cds = set(prime_factorize(A)) & set(prime_factorize(B)) cds set(prime_factorize(A)) & set(prime_factorize(B)) set(prime_factorize(A)) set prime_factorize(A) prime_factorize A set(prime_factorize(B)) set prime_factorize(B) prime_factorize B print(len(cds)) print len(cds) len cds cds = set(prime_factorize(A)) & set(prime_factorize(B)) set(prime_factorize(A)) & set(prime_factorize(B)) cds B = map(int, input().split()) map(int, input().split()) B def prime_factorize(n):
    a = [1]
    while n % 2 == 0:
        a.append(2)
        n //= 2
    f = 3
    while f * f <= n:
        if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
    if n != 1:
        a.append(n)
    return a def prime_factorize(n):
    a = [1]
    while n % 2 == 0:
        a.append(2)
        n //= 2
    f = 3
    while f * f <= n:
        if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
    if n != 1:
        a.append(n)
    return a prime_factorize A, B = map(int, input().split()) map(int, input().split()) A
def prime_factorize(n):
    a = [1]
    while n % 2 == 0:
        a.append(2)
        n //= 2
    f = 3
    while f * f <= n:
        if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
    if n != 1:
        a.append(n)
    return a


A, B = map(int, input().split())
cds = set(prime_factorize(A)) & set(prime_factorize(B))
print(len(cds))