Q: Is 77,689 a Prime Number?
A: Yes, 77,689 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 77689 can be evenly divided by 1 and 77,689, with no remainder.
Since 77,689 can be divided by just 1 and 77,689, it is a prime number.