Q: Is 428,416 a Prime Number?
A: No, 428,416 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 428416 can be evenly divided by 1 2 4 8 16 32 64 128 3,347 6,694 13,388 26,776 53,552 107,104 214,208 and 428,416, with no remainder.
Since 428,416 cannot be divided by just 1 and 428,416, it is not a prime number.