Q: Is 450,000 a Composite Number?

Why is 450,000 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 450,000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 125 144 150 180 200 225 240 250 300 360 375 400 450 500 600 625 720 750 900 1,000 1,125 1,200 1,250 1,500 1,800 1,875 2,000 2,250 2,500 3,000 3,125 3,600 3,750 4,500 5,000 5,625 6,000 6,250 7,500 9,000 9,375 10,000 11,250 12,500 15,000 18,000 18,750 22,500 25,000 28,125 30,000 37,500 45,000 50,000 56,250 75,000 90,000 112,500 150,000 225,000 and 450,000, with no remainder.

Since 450,000 cannot be divided by just 1 and 450,000, 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).