Q: Is 421,077 a Prime Number?
A: No, 421,077 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 421077 can be evenly divided by 1 3 97 291 1,447 4,341 140,359 and 421,077, with no remainder.
Since 421,077 cannot be divided by just 1 and 421,077, it is not a prime number.