Q: Is 428,280 a Prime Number?
A: No, 428,280 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 428280 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 43 60 83 86 120 129 166 172 215 249 258 332 344 415 430 498 516 645 664 830 860 996 1,032 1,245 1,290 1,660 1,720 1,992 2,490 2,580 3,320 3,569 4,980 5,160 7,138 9,960 10,707 14,276 17,845 21,414 28,552 35,690 42,828 53,535 71,380 85,656 107,070 142,760 214,140 and 428,280, with no remainder.
Since 428,280 cannot be divided by just 1 and 428,280, it is not a prime number.