Q: Is 513,820 a Prime Number?
A: No, 513,820 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 513820 can be evenly divided by 1 2 4 5 10 20 23 46 92 115 230 460 1,117 2,234 4,468 5,585 11,170 22,340 25,691 51,382 102,764 128,455 256,910 and 513,820, with no remainder.
Since 513,820 cannot be divided by just 1 and 513,820, it is not a prime number.