Q: Is 243,971 a Prime Number?
A: No, 243,971 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 243971 can be evenly divided by 1 7 13 49 91 383 637 2,681 4,979 18,767 34,853 and 243,971, with no remainder.
Since 243,971 cannot be divided by just 1 and 243,971, it is not a prime number.