Q: Is 21,082,000 a Composite Number?

Why is 21,082,000 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 21,082,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 83 100 125 127 166 200 250 254 332 400 415 500 508 635 664 830 1,000 1,016 1,270 1,328 1,660 2,000 2,032 2,075 2,540 3,175 3,320 4,150 5,080 6,350 6,640 8,300 10,160 10,375 10,541 12,700 15,875 16,600 20,750 21,082 25,400 31,750 33,200 41,500 42,164 50,800 52,705 63,500 83,000 84,328 105,410 127,000 166,000 168,656 210,820 254,000 263,525 421,640 527,050 843,280 1,054,100 1,317,625 2,108,200 2,635,250 4,216,400 5,270,500 10,541,000 and 21,082,000, with no remainder.

Since 21,082,000 cannot be divided by just 1 and 21,082,000, 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).