Q: Is 2,015,000 a Composite Number?

Why is 2,015,000 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 2,015,000 can be evenly divided by 1 2 4 5 8 10 13 20 25 26 31 40 50 52 62 65 100 104 124 125 130 155 200 248 250 260 310 325 403 500 520 620 625 650 775 806 1,000 1,240 1,250 1,300 1,550 1,612 1,625 2,015 2,500 2,600 3,100 3,224 3,250 3,875 4,030 5,000 6,200 6,500 7,750 8,060 8,125 10,075 13,000 15,500 16,120 16,250 19,375 20,150 31,000 32,500 38,750 40,300 50,375 65,000 77,500 80,600 100,750 155,000 201,500 251,875 403,000 503,750 1,007,500 and 2,015,000, with no remainder.

Since 2,015,000 cannot be divided by just 1 and 2,015,000, 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).