Q: Is 671,630 a Prime Number?
A: No, 671,630 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 671630 can be evenly divided by 1 2 5 10 47 94 235 470 1,429 2,858 7,145 14,290 67,163 134,326 335,815 and 671,630, with no remainder.
Since 671,630 cannot be divided by just 1 and 671,630, it is not a prime number.