Q: Is 680,672 a Prime Number?
A: No, 680,672 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 680672 can be evenly divided by 1 2 4 8 16 32 89 178 239 356 478 712 956 1,424 1,912 2,848 3,824 7,648 21,271 42,542 85,084 170,168 340,336 and 680,672, with no remainder.
Since 680,672 cannot be divided by just 1 and 680,672, it is not a prime number.