Q: Is 121,443 a Prime Number?
A: No, 121,443 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 121443 can be evenly divided by 1 3 7 21 5,783 17,349 40,481 and 121,443, with no remainder.
Since 121,443 cannot be divided by just 1 and 121,443, it is not a prime number.