Q: Is 1,242,108 a Prime Number?
A: No, 1,242,108 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 1242108 can be evenly divided by 1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 53 54 62 63 84 93 106 108 124 126 159 186 189 212 217 252 279 318 371 372 378 434 477 558 636 651 742 756 837 868 954 1,113 1,116 1,302 1,431 1,484 1,643 1,674 1,908 1,953 2,226 2,604 2,862 3,286 3,339 3,348 3,906 4,452 4,929 5,724 5,859 6,572 6,678 7,812 9,858 10,017 11,501 11,718 13,356 14,787 19,716 20,034 23,002 23,436 29,574 34,503 40,068 44,361 46,004 59,148 69,006 88,722 103,509 138,012 177,444 207,018 310,527 414,036 621,054 and 1,242,108, with no remainder.
Since 1,242,108 cannot be divided by just 1 and 1,242,108, it is not a prime number.