Q: Is 505,280 a Prime Number?
A: No, 505,280 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 505280 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 1,579 3,158 6,316 7,895 12,632 15,790 25,264 31,580 50,528 63,160 101,056 126,320 252,640 and 505,280, with no remainder.
Since 505,280 cannot be divided by just 1 and 505,280, it is not a prime number.