Q: Is 129,280 a Prime Number?
A: No, 129,280 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 129280 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 101 128 160 202 256 320 404 505 640 808 1,010 1,280 1,616 2,020 3,232 4,040 6,464 8,080 12,928 16,160 25,856 32,320 64,640 and 129,280, with no remainder.
Since 129,280 cannot be divided by just 1 and 129,280, it is not a prime number.