Q: Is 309,708 a Prime Number?
A: No, 309,708 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 309708 can be evenly divided by 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1,229 2,458 3,687 4,916 7,374 8,603 11,061 14,748 17,206 22,122 25,809 34,412 44,244 51,618 77,427 103,236 154,854 and 309,708, with no remainder.
Since 309,708 cannot be divided by just 1 and 309,708, it is not a prime number.