Q: Is 631,670 a Prime Number?
A: No, 631,670 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 631670 can be evenly divided by 1 2 5 10 13 26 43 65 86 113 130 215 226 430 559 565 1,118 1,130 1,469 2,795 2,938 4,859 5,590 7,345 9,718 14,690 24,295 48,590 63,167 126,334 315,835 and 631,670, with no remainder.
Since 631,670 cannot be divided by just 1 and 631,670, it is not a prime number.