Q: Is 420,272 a Prime Number?
A: No, 420,272 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 420272 can be evenly divided by 1 2 4 8 16 26,267 52,534 105,068 210,136 and 420,272, with no remainder.
Since 420,272 cannot be divided by just 1 and 420,272, it is not a prime number.