Q: Is 1,244,628 a Prime Number?
A: No, 1,244,628 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 1244628 can be evenly divided by 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 126 132 154 198 231 252 308 396 449 462 693 898 924 1,347 1,386 1,796 2,694 2,772 3,143 4,041 4,939 5,388 6,286 8,082 9,429 9,878 12,572 14,817 16,164 18,858 19,756 28,287 29,634 34,573 37,716 44,451 56,574 59,268 69,146 88,902 103,719 113,148 138,292 177,804 207,438 311,157 414,876 622,314 and 1,244,628, with no remainder.
Since 1,244,628 cannot be divided by just 1 and 1,244,628, it is not a prime number.