Q: Is 309,874 a Prime Number?
A: No, 309,874 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 309874 can be evenly divided by 1 2 154,937 and 309,874, with no remainder.
Since 309,874 cannot be divided by just 1 and 309,874, it is not a prime number.