Q: Is 1,720 a Composite Number?
A: Yes, 1,720 is a composite number.
The number 1,720 can be evenly divided by 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 and 1,720, with no remainder.
Since 1,720 cannot be divided by just 1 and 1,720, it is a composite number.