Q: Is 172,720 a Composite Number?
A: Yes, 172,720 is a composite number.
The number 172,720 can be evenly divided by 1 2 4 5 8 10 16 17 20 34 40 68 80 85 127 136 170 254 272 340 508 635 680 1,016 1,270 1,360 2,032 2,159 2,540 4,318 5,080 8,636 10,160 10,795 17,272 21,590 34,544 43,180 86,360 and 172,720, with no remainder.
Since 172,720 cannot be divided by just 1 and 172,720, it is a composite number.