Q: Is 243,371 a Prime Number?
A: No, 243,371 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 243371 can be evenly divided by 1 19 12,809 and 243,371, with no remainder.
Since 243,371 cannot be divided by just 1 and 243,371, it is not a prime number.