Q: Is 21,360 a Composite Number?
A: Yes, 21,360 is a composite number.
The number 21,360 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 89 120 178 240 267 356 445 534 712 890 1,068 1,335 1,424 1,780 2,136 2,670 3,560 4,272 5,340 7,120 10,680 and 21,360, with no remainder.
Since 21,360 cannot be divided by just 1 and 21,360, it is a composite number.