Q: Is 12,900 a Composite Number?
A: Yes, 12,900 is a composite number.
The number 12,900 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 25 30 43 50 60 75 86 100 129 150 172 215 258 300 430 516 645 860 1,075 1,290 2,150 2,580 3,225 4,300 6,450 and 12,900, with no remainder.
Since 12,900 cannot be divided by just 1 and 12,900, it is a composite number.