Q: Is 671,764 a Prime Number?
A: No, 671,764 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 671764 can be evenly divided by 1 2 4 19 38 76 8,839 17,678 35,356 167,941 335,882 and 671,764, with no remainder.
Since 671,764 cannot be divided by just 1 and 671,764, it is not a prime number.