Python/code/计算65535最大素数.py

def sushu(num):
    for i in range(2,int(num**0.5)):    #取平方根并取整，优化算法
        if num % i == 0:
            return False
    return True
for num in range(1,65535):
    if sushu(num):
        x = num
print(x)