Q: Is 80,780 a Prime Number?
A: No, 80,780 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 80780 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 577 1,154 2,308 2,885 4,039 5,770 8,078 11,540 16,156 20,195 40,390 and 80,780, with no remainder.
Since 80,780 cannot be divided by just 1 and 80,780, it is not a prime number.