Q: Is 42,945 a Prime Number?
A: No, 42,945 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 42945 can be evenly divided by 1 3 5 7 15 21 35 105 409 1,227 2,045 2,863 6,135 8,589 14,315 and 42,945, with no remainder.
Since 42,945 cannot be divided by just 1 and 42,945, it is not a prime number.