Q: Is 160,640 a Prime Number?
A: No, 160,640 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 160640 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 251 320 502 640 1,004 1,255 2,008 2,510 4,016 5,020 8,032 10,040 16,064 20,080 32,128 40,160 80,320 and 160,640, with no remainder.
Since 160,640 cannot be divided by just 1 and 160,640, it is not a prime number.