Q: Is 555,808 a Prime Number?
A: No, 555,808 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 555808 can be evenly divided by 1 2 4 8 11 16 22 32 44 88 176 352 1,579 3,158 6,316 12,632 17,369 25,264 34,738 50,528 69,476 138,952 277,904 and 555,808, with no remainder.
Since 555,808 cannot be divided by just 1 and 555,808, it is not a prime number.