Q: Is 309,138 a Prime Number?
A: No, 309,138 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 309138 can be evenly divided by 1 2 3 6 67 134 201 402 769 1,538 2,307 4,614 51,523 103,046 154,569 and 309,138, with no remainder.
Since 309,138 cannot be divided by just 1 and 309,138, it is not a prime number.