Q: Is 513,280 a Prime Number?
A: No, 513,280 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 513280 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 401 640 802 1,280 1,604 2,005 3,208 4,010 6,416 8,020 12,832 16,040 25,664 32,080 51,328 64,160 102,656 128,320 256,640 and 513,280, with no remainder.
Since 513,280 cannot be divided by just 1 and 513,280, it is not a prime number.