Q: Is 42,891 a Prime Number?
A: No, 42,891 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 42891 can be evenly divided by 1 3 17 29 51 87 493 841 1,479 2,523 14,297 and 42,891, with no remainder.
Since 42,891 cannot be divided by just 1 and 42,891, it is not a prime number.