Q: Is 1,375,000 a Composite Number?

Why is 1,375,000 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 1,375,000 can be evenly divided by 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 625 1,000 1,100 1,250 1,375 2,200 2,500 2,750 3,125 5,000 5,500 6,250 6,875 11,000 12,500 13,750 15,625 25,000 27,500 31,250 34,375 55,000 62,500 68,750 125,000 137,500 171,875 275,000 343,750 687,500 and 1,375,000, with no remainder.

Since 1,375,000 cannot be divided by just 1 and 1,375,000, 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).