Q: Is 420,039 a Prime Number?
A: No, 420,039 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 420039 can be evenly divided by 1 3 9 27 47 141 331 423 993 1,269 2,979 8,937 15,557 46,671 140,013 and 420,039, with no remainder.
Since 420,039 cannot be divided by just 1 and 420,039, it is not a prime number.