Q: Is 478,520 a Prime Number?
A: No, 478,520 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 478520 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1,709 3,418 6,836 8,545 11,963 13,672 17,090 23,926 34,180 47,852 59,815 68,360 95,704 119,630 239,260 and 478,520, with no remainder.
Since 478,520 cannot be divided by just 1 and 478,520, it is not a prime number.