Q: Is 338,780 a Prime Number?
A: No, 338,780 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 338780 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 1,303 2,606 5,212 6,515 13,030 16,939 26,060 33,878 67,756 84,695 169,390 and 338,780, with no remainder.
Since 338,780 cannot be divided by just 1 and 338,780, it is not a prime number.