Q: Is 20,000 a Composite Number?
A: Yes, 20,000 is a composite number.
The number 20,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1,000 1,250 2,000 2,500 4,000 5,000 10,000 and 20,000, with no remainder.
Since 20,000 cannot be divided by just 1 and 20,000, it is a composite number.