Q: Is 421,059 a Prime Number?
A: No, 421,059 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 421059 can be evenly divided by 1 3 19 57 83 89 249 267 1,577 1,691 4,731 5,073 7,387 22,161 140,353 and 421,059, with no remainder.
Since 421,059 cannot be divided by just 1 and 421,059, it is not a prime number.