Q: Is 309,724 a Prime Number?
A: No, 309,724 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 309724 can be evenly divided by 1 2 4 77,431 154,862 and 309,724, with no remainder.
Since 309,724 cannot be divided by just 1 and 309,724, it is not a prime number.