Q: Is 121,407 a Prime Number?
A: No, 121,407 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 121407 can be evenly divided by 1 3 11 13 33 39 143 283 429 849 3,113 3,679 9,339 11,037 40,469 and 121,407, with no remainder.
Since 121,407 cannot be divided by just 1 and 121,407, it is not a prime number.