Q: Is 42,129 a Prime Number?
A: No, 42,129 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 42129 can be evenly divided by 1 3 9 31 93 151 279 453 1,359 4,681 14,043 and 42,129, with no remainder.
Since 42,129 cannot be divided by just 1 and 42,129, it is not a prime number.