Q: Is 671,779 a Prime Number?
A: Yes, 671,779 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 671779 can be evenly divided by 1 and 671,779, with no remainder.
Since 671,779 can be divided by just 1 and 671,779, it is a prime number.