import math
def primeCheck(number):
if n % 2 == 0 and n > 2:
return False
return all(n % i for i in range(3, int(math.sqrt(n)) + 1, 2))
def main():
print(primeCheck(37))
print(primeCheck(100))
print(primeCheck(77))
if __name__ == '__main__':
main()
