Q: Is 550,121 a Prime Number?
A: No, 550,121 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 550121 can be evenly divided by 1 11 13 143 3,847 42,317 50,011 and 550,121, with no remainder.
Since 550,121 cannot be divided by just 1 and 550,121, it is not a prime number.