eprimo

def eprimo(a, b):
    if a < 2 and b < 2:
        return False
    if a > 2 and b < 2:
        return False
    if a < 2 and b > 2:
        return False
    if a == 2 and b == 2:
        return True
    else:
        for div in range(2,a):
            for div2 in range(2,b):
                if a % div == 0 and b % div2 == 0:
                    return False
                if a % div == 0 and b % div2 != 0:
                    return False
                if a % div != 0 and b % div2 == 0:
                    return False
                else:
                    return True