Q: Is 1,428,990 a Prime Number?
A: No, 1,428,990 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 1428990 can be evenly divided by 1 2 3 5 6 10 15 19 23 30 38 46 57 69 95 109 114 115 138 190 218 230 285 327 345 437 545 570 654 690 874 1,090 1,311 1,635 2,071 2,185 2,507 2,622 3,270 4,142 4,370 5,014 6,213 6,555 7,521 10,355 12,426 12,535 13,110 15,042 20,710 25,070 31,065 37,605 47,633 62,130 75,210 95,266 142,899 238,165 285,798 476,330 714,495 and 1,428,990, with no remainder.
Since 1,428,990 cannot be divided by just 1 and 1,428,990, it is not a prime number.