Q: Is 254,720 a Prime Number?
A: No, 254,720 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 254720 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 199 256 320 398 640 796 995 1,280 1,592 1,990 3,184 3,980 6,368 7,960 12,736 15,920 25,472 31,840 50,944 63,680 127,360 and 254,720, with no remainder.
Since 254,720 cannot be divided by just 1 and 254,720, it is not a prime number.