Q: Is 22,145,000 a Composite Number?

Why is 22,145,000 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 22,145,000 can be evenly divided by 1 2 4 5 8 10 20 25 40 43 50 86 100 103 125 172 200 206 215 250 344 412 430 500 515 625 824 860 1,000 1,030 1,075 1,250 1,720 2,060 2,150 2,500 2,575 4,120 4,300 4,429 5,000 5,150 5,375 8,600 8,858 10,300 10,750 12,875 17,716 20,600 21,500 22,145 25,750 26,875 35,432 43,000 44,290 51,500 53,750 64,375 88,580 103,000 107,500 110,725 128,750 177,160 215,000 221,450 257,500 442,900 515,000 553,625 885,800 1,107,250 2,214,500 2,768,125 4,429,000 5,536,250 11,072,500 and 22,145,000, with no remainder.

Since 22,145,000 cannot be divided by just 1 and 22,145,000, 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).