Q: Is 218,615 a Prime Number?
A: No, 218,615 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 218615 can be evenly divided by 1 5 23 115 1,901 9,505 43,723 and 218,615, with no remainder.
Since 218,615 cannot be divided by just 1 and 218,615, it is not a prime number.