Q: Is 421,167 a Prime Number?
A: No, 421,167 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 421167 can be evenly divided by 1 3 29 47 87 103 141 309 1,363 2,987 4,089 4,841 8,961 14,523 140,389 and 421,167, with no remainder.
Since 421,167 cannot be divided by just 1 and 421,167, it is not a prime number.