Q: Is 770,421 a Prime Number?
A: No, 770,421 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 770421 can be evenly divided by 1 3 71 213 3,617 10,851 256,807 and 770,421, with no remainder.
Since 770,421 cannot be divided by just 1 and 770,421, it is not a prime number.