Q: Is 428,672 a Prime Number?
A: No, 428,672 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 428672 can be evenly divided by 1 2 4 8 16 17 32 34 64 68 128 136 197 272 394 544 788 1,088 1,576 2,176 3,152 3,349 6,304 6,698 12,608 13,396 25,216 26,792 53,584 107,168 214,336 and 428,672, with no remainder.
Since 428,672 cannot be divided by just 1 and 428,672, it is not a prime number.