Q: Is 787,660 a Prime Number?
A: No, 787,660 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 787660 can be evenly divided by 1 2 4 5 10 20 39,383 78,766 157,532 196,915 393,830 and 787,660, with no remainder.
Since 787,660 cannot be divided by just 1 and 787,660, it is not a prime number.