Q: Is 816,501 a Prime Number?
A: No, 816,501 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 816501 can be evenly divided by 1 3 7 21 59 177 413 659 1,239 1,977 4,613 13,839 38,881 116,643 272,167 and 816,501, with no remainder.
Since 816,501 cannot be divided by just 1 and 816,501, it is not a prime number.