Q: Is 426,816 a Prime Number?
A: No, 426,816 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 426816 can be evenly divided by 1 2 3 4 6 8 9 12 13 16 18 19 24 26 27 32 36 38 39 48 52 54 57 64 72 76 78 96 104 108 114 117 144 152 156 171 192 208 216 228 234 247 288 304 312 342 351 416 432 456 468 494 513 576 608 624 684 702 741 832 864 912 936 988 1,026 1,216 1,248 1,368 1,404 1,482 1,728 1,824 1,872 1,976 2,052 2,223 2,496 2,736 2,808 2,964 3,648 3,744 3,952 4,104 4,446 5,472 5,616 5,928 6,669 7,488 7,904 8,208 8,892 10,944 11,232 11,856 13,338 15,808 16,416 17,784 22,464 23,712 26,676 32,832 35,568 47,424 53,352 71,136 106,704 142,272 213,408 and 426,816, with no remainder.
Since 426,816 cannot be divided by just 1 and 426,816, it is not a prime number.