Q: Is 243,987 a Prime Number?
A: No, 243,987 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 243987 can be evenly divided by 1 3 167 487 501 1,461 81,329 and 243,987, with no remainder.
Since 243,987 cannot be divided by just 1 and 243,987, it is not a prime number.