Q: Is 516,720 a Prime Number?
A: No, 516,720 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 516720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 2,153 4,306 6,459 8,612 10,765 12,918 17,224 21,530 25,836 32,295 34,448 43,060 51,672 64,590 86,120 103,344 129,180 172,240 258,360 and 516,720, with no remainder.
Since 516,720 cannot be divided by just 1 and 516,720, it is not a prime number.