Q: Is 509,660 a Prime Number?
A: No, 509,660 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 509660 can be evenly divided by 1 2 4 5 10 17 20 34 68 85 170 340 1,499 2,998 5,996 7,495 14,990 25,483 29,980 50,966 101,932 127,415 254,830 and 509,660, with no remainder.
Since 509,660 cannot be divided by just 1 and 509,660, it is not a prime number.