Q: Is 423,456 a Prime Number?
A: No, 423,456 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 423456 can be evenly divided by 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 401 528 802 1,056 1,203 1,604 2,406 3,208 4,411 4,812 6,416 8,822 9,624 12,832 13,233 17,644 19,248 26,466 35,288 38,496 52,932 70,576 105,864 141,152 211,728 and 423,456, with no remainder.
Since 423,456 cannot be divided by just 1 and 423,456, it is not a prime number.