Q: Is 243,374 a Prime Number?
A: No, 243,374 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 243374 can be evenly divided by 1 2 121,687 and 243,374, with no remainder.
Since 243,374 cannot be divided by just 1 and 243,374, it is not a prime number.