Q: Is 501,808 a Prime Number?
A: No, 501,808 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 501808 can be evenly divided by 1 2 4 8 16 79 158 316 397 632 794 1,264 1,588 3,176 6,352 31,363 62,726 125,452 250,904 and 501,808, with no remainder.
Since 501,808 cannot be divided by just 1 and 501,808, it is not a prime number.