Q: Is 420,416 a Prime Number?
A: No, 420,416 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 420416 can be evenly divided by 1 2 4 8 16 32 64 6,569 13,138 26,276 52,552 105,104 210,208 and 420,416, with no remainder.
Since 420,416 cannot be divided by just 1 and 420,416, it is not a prime number.