Q: Is 510,642 a Prime Number?
A: No, 510,642 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 510642 can be evenly divided by 1 2 3 6 9 11 18 22 33 66 99 198 2,579 5,158 7,737 15,474 23,211 28,369 46,422 56,738 85,107 170,214 255,321 and 510,642, with no remainder.
Since 510,642 cannot be divided by just 1 and 510,642, it is not a prime number.