Q: Is 140,780 a Prime Number?
A: No, 140,780 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 140780 can be evenly divided by 1 2 4 5 10 20 7,039 14,078 28,156 35,195 70,390 and 140,780, with no remainder.
Since 140,780 cannot be divided by just 1 and 140,780, it is not a prime number.