Q: Is 428,490 a Prime Number?
A: No, 428,490 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 428490 can be evenly divided by 1 2 3 5 6 9 10 15 18 23 27 30 45 46 54 69 81 90 115 135 138 162 207 230 270 345 405 414 529 621 690 810 1,035 1,058 1,242 1,587 1,863 2,070 2,645 3,105 3,174 3,726 4,761 5,290 6,210 7,935 9,315 9,522 14,283 15,870 18,630 23,805 28,566 42,849 47,610 71,415 85,698 142,830 214,245 and 428,490, with no remainder.
Since 428,490 cannot be divided by just 1 and 428,490, it is not a prime number.