Q: Is 509,642 a Prime Number?
A: No, 509,642 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 509642 can be evenly divided by 1 2 7 14 59 118 413 617 826 1,234 4,319 8,638 36,403 72,806 254,821 and 509,642, with no remainder.
Since 509,642 cannot be divided by just 1 and 509,642, it is not a prime number.