Q: Is 8,721,672 a Prime Number?
A: No, 8,721,672 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 8721672 can be evenly divided by 1 2 3 4 6 8 12 24 363,403 726,806 1,090,209 1,453,612 2,180,418 2,907,224 4,360,836 and 8,721,672, with no remainder.
Since 8,721,672 cannot be divided by just 1 and 8,721,672, it is not a prime number.