Q: Is 428,940 a Prime Number?
A: No, 428,940 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 428940 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2,383 4,766 7,149 9,532 11,915 14,298 21,447 23,830 28,596 35,745 42,894 47,660 71,490 85,788 107,235 142,980 214,470 and 428,940, with no remainder.
Since 428,940 cannot be divided by just 1 and 428,940, it is not a prime number.