Q: Is 516,540 a Prime Number?
A: No, 516,540 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 516540 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 8,609 17,218 25,827 34,436 43,045 51,654 86,090 103,308 129,135 172,180 258,270 and 516,540, with no remainder.
Since 516,540 cannot be divided by just 1 and 516,540, it is not a prime number.