Q: Is 225,000 a Composite Number?

Why is 225,000 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 225,000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 300 360 375 450 500 600 625 750 900 1,000 1,125 1,250 1,500 1,800 1,875 2,250 2,500 3,000 3,125 3,750 4,500 5,000 5,625 6,250 7,500 9,000 9,375 11,250 12,500 15,000 18,750 22,500 25,000 28,125 37,500 45,000 56,250 75,000 112,500 and 225,000, with no remainder.

Since 225,000 cannot be divided by just 1 and 225,000, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).