Q: Is 253,420 a Prime Number?
A: No, 253,420 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 253420 can be evenly divided by 1 2 4 5 10 20 12,671 25,342 50,684 63,355 126,710 and 253,420, with no remainder.
Since 253,420 cannot be divided by just 1 and 253,420, it is not a prime number.