Q: Is 626,680 a Prime Number?
A: No, 626,680 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 626680 can be evenly divided by 1 2 4 5 8 10 20 40 15,667 31,334 62,668 78,335 125,336 156,670 313,340 and 626,680, with no remainder.
Since 626,680 cannot be divided by just 1 and 626,680, it is not a prime number.