Q: Is 1,615,000 a Composite Number?

Why is 1,615,000 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 1,615,000 can be evenly divided by 1 2 4 5 8 10 17 19 20 25 34 38 40 50 68 76 85 95 100 125 136 152 170 190 200 250 323 340 380 425 475 500 625 646 680 760 850 950 1,000 1,250 1,292 1,615 1,700 1,900 2,125 2,375 2,500 2,584 3,230 3,400 3,800 4,250 4,750 5,000 6,460 8,075 8,500 9,500 10,625 11,875 12,920 16,150 17,000 19,000 21,250 23,750 32,300 40,375 42,500 47,500 64,600 80,750 85,000 95,000 161,500 201,875 323,000 403,750 807,500 and 1,615,000, with no remainder.

Since 1,615,000 cannot be divided by just 1 and 1,615,000, 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).