Q: Is 428,340 a Prime Number?
A: No, 428,340 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 428340 can be evenly divided by 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 59 60 66 110 118 121 132 165 177 220 236 242 295 330 354 363 484 590 605 649 660 708 726 885 1,180 1,210 1,298 1,452 1,770 1,815 1,947 2,420 2,596 3,245 3,540 3,630 3,894 6,490 7,139 7,260 7,788 9,735 12,980 14,278 19,470 21,417 28,556 35,695 38,940 42,834 71,390 85,668 107,085 142,780 214,170 and 428,340, with no remainder.
Since 428,340 cannot be divided by just 1 and 428,340, it is not a prime number.