Q: Is 515,800 a Prime Number?
A: No, 515,800 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 515800 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 2,579 5,158 10,316 12,895 20,632 25,790 51,580 64,475 103,160 128,950 257,900 and 515,800, with no remainder.
Since 515,800 cannot be divided by just 1 and 515,800, it is not a prime number.