Q: Is 515,980 a Prime Number?
A: No, 515,980 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 515980 can be evenly divided by 1 2 4 5 10 20 25,799 51,598 103,196 128,995 257,990 and 515,980, with no remainder.
Since 515,980 cannot be divided by just 1 and 515,980, it is not a prime number.