Q: Is 423,808 a Prime Number?
A: No, 423,808 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 423808 can be evenly divided by 1 2 4 7 8 11 14 16 22 28 32 43 44 56 64 77 86 88 112 128 154 172 176 224 301 308 344 352 448 473 602 616 688 704 896 946 1,204 1,232 1,376 1,408 1,892 2,408 2,464 2,752 3,311 3,784 4,816 4,928 5,504 6,622 7,568 9,632 9,856 13,244 15,136 19,264 26,488 30,272 38,528 52,976 60,544 105,952 211,904 and 423,808, with no remainder.
Since 423,808 cannot be divided by just 1 and 423,808, it is not a prime number.