Q: Is 5,551 a Prime Number?
A: No, 5,551 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 5551 can be evenly divided by 1 7 13 61 91 427 793 and 5,551, with no remainder.
Since 5,551 cannot be divided by just 1 and 5,551, it is not a prime number.