Q: Is 551,508 a Prime Number?
A: No, 551,508 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 551508 can be evenly divided by 1 2 3 4 6 12 45,959 91,918 137,877 183,836 275,754 and 551,508, with no remainder.
Since 551,508 cannot be divided by just 1 and 551,508, it is not a prime number.