Q: Is 671,512 a Prime Number?
A: No, 671,512 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 671512 can be evenly divided by 1 2 4 8 83,939 167,878 335,756 and 671,512, with no remainder.
Since 671,512 cannot be divided by just 1 and 671,512, it is not a prime number.