Q: Is 1,122,408 a Prime Number?
A: No, 1,122,408 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 1122408 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 17 18 21 24 28 34 36 42 51 56 63 68 72 84 102 119 126 131 136 153 168 204 238 252 262 306 357 393 408 476 504 524 612 714 786 917 952 1,048 1,071 1,179 1,224 1,428 1,572 1,834 2,142 2,227 2,358 2,751 2,856 3,144 3,668 4,284 4,454 4,716 5,502 6,681 7,336 8,253 8,568 8,908 9,432 11,004 13,362 15,589 16,506 17,816 20,043 22,008 26,724 31,178 33,012 40,086 46,767 53,448 62,356 66,024 80,172 93,534 124,712 140,301 160,344 187,068 280,602 374,136 561,204 and 1,122,408, with no remainder.
Since 1,122,408 cannot be divided by just 1 and 1,122,408, it is not a prime number.