Q: Is 83,780 a Prime Number?
A: No, 83,780 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 83780 can be evenly divided by 1 2 4 5 10 20 59 71 118 142 236 284 295 355 590 710 1,180 1,420 4,189 8,378 16,756 20,945 41,890 and 83,780, with no remainder.
Since 83,780 cannot be divided by just 1 and 83,780, it is not a prime number.