Q: Is 25,780 a Composite Number?
A: Yes, 25,780 is a composite number.
The number 25,780 can be evenly divided by 1 2 4 5 10 20 1,289 2,578 5,156 6,445 12,890 and 25,780, with no remainder.
Since 25,780 cannot be divided by just 1 and 25,780, it is a composite number.