Q: Is 20,006,000 a Composite Number?

Why is 20,006,000 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 20,006,000 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 700 875 1,000 1,400 1,429 1,750 2,000 2,800 2,858 3,500 5,716 7,000 7,145 10,003 11,432 14,000 14,290 20,006 22,864 28,580 35,725 40,012 50,015 57,160 71,450 80,024 100,030 114,320 142,900 160,048 178,625 200,060 250,075 285,800 357,250 400,120 500,150 571,600 714,500 800,240 1,000,300 1,250,375 1,429,000 2,000,600 2,500,750 2,858,000 4,001,200 5,001,500 10,003,000 and 20,006,000, with no remainder.

Since 20,006,000 cannot be divided by just 1 and 20,006,000, 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).