Q: Is 1,987,500 a Composite Number?

Why is 1,987,500 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 1,987,500 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 25 30 50 53 60 75 100 106 125 150 159 212 250 265 300 318 375 500 530 625 636 750 795 1,060 1,250 1,325 1,500 1,590 1,875 2,500 2,650 3,125 3,180 3,750 3,975 5,300 6,250 6,625 7,500 7,950 9,375 12,500 13,250 15,900 18,750 19,875 26,500 33,125 37,500 39,750 66,250 79,500 99,375 132,500 165,625 198,750 331,250 397,500 496,875 662,500 993,750 and 1,987,500, with no remainder.

Since 1,987,500 cannot be divided by just 1 and 1,987,500, 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).