Q: Is 215,818 a Prime Number?
A: No, 215,818 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 215818 can be evenly divided by 1 2 29 58 61 122 1,769 3,538 3,721 7,442 107,909 and 215,818, with no remainder.
Since 215,818 cannot be divided by just 1 and 215,818, it is not a prime number.