Q: Is 421,265 a Prime Number?
A: No, 421,265 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 421265 can be evenly divided by 1 5 13 65 6,481 32,405 84,253 and 421,265, with no remainder.
Since 421,265 cannot be divided by just 1 and 421,265, it is not a prime number.