Q: Is 551,506 a Prime Number?
A: No, 551,506 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 551506 can be evenly divided by 1 2 313 626 881 1,762 275,753 and 551,506, with no remainder.
Since 551,506 cannot be divided by just 1 and 551,506, it is not a prime number.