Q: Is 421,113 a Prime Number?
A: No, 421,113 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 421113 can be evenly divided by 1 3 7 11 21 33 77 231 1,823 5,469 12,761 20,053 38,283 60,159 140,371 and 421,113, with no remainder.
Since 421,113 cannot be divided by just 1 and 421,113, it is not a prime number.