Q: Is 1,125,000 a Composite Number?

Why is 1,125,000 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 1,125,000 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 15,625 18,750 22,500 25,000 28,125 31,250 37,500 45,000 46,875 56,250 62,500 75,000 93,750 112,500 125,000 140,625 187,500 225,000 281,250 375,000 562,500 and 1,125,000, with no remainder.

Since 1,125,000 cannot be divided by just 1 and 1,125,000, 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).