题解 | #判断质数#
判断质数
https://www.nowcoder.com/practice/b936f737e2b34b3199a7c875446edd06
Number.prototype._isPrime = function (){
if (this == 2) {
return true
}
if (this !== 1 && this % 2 && this % 3 && this % 5) {
return true
}
return false
}
