Q: Is 315,490 a Prime Number?
A: No, 315,490 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 315490 can be evenly divided by 1 2 5 7 10 14 35 70 4,507 9,014 22,535 31,549 45,070 63,098 157,745 and 315,490, with no remainder.
Since 315,490 cannot be divided by just 1 and 315,490, it is not a prime number.