Q: Is 328,780 a Prime Number?
A: No, 328,780 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 328780 can be evenly divided by 1 2 4 5 10 17 20 34 68 85 170 340 967 1,934 3,868 4,835 9,670 16,439 19,340 32,878 65,756 82,195 164,390 and 328,780, with no remainder.
Since 328,780 cannot be divided by just 1 and 328,780, it is not a prime number.