Q: Is 270,640 a Prime Number?
A: No, 270,640 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 270640 can be evenly divided by 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 199 272 340 398 680 796 995 1,360 1,592 1,990 3,184 3,383 3,980 6,766 7,960 13,532 15,920 16,915 27,064 33,830 54,128 67,660 135,320 and 270,640, with no remainder.
Since 270,640 cannot be divided by just 1 and 270,640, it is not a prime number.