Q: Is 1,055,628 a Prime Number?
A: No, 1,055,628 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 1055628 can be evenly divided by 1 2 3 4 6 7 9 12 14 18 21 28 36 42 59 63 71 84 118 126 142 177 213 236 252 284 354 413 426 497 531 639 708 826 852 994 1,062 1,239 1,278 1,491 1,652 1,988 2,124 2,478 2,556 2,982 3,717 4,189 4,473 4,956 5,964 7,434 8,378 8,946 12,567 14,868 16,756 17,892 25,134 29,323 37,701 50,268 58,646 75,402 87,969 117,292 150,804 175,938 263,907 351,876 527,814 and 1,055,628, with no remainder.
Since 1,055,628 cannot be divided by just 1 and 1,055,628, it is not a prime number.