Q: Is 20,013,000 a Composite Number?

Why is 20,013,000 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 20,013,000 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 56 60 70 75 84 100 105 120 125 140 150 168 175 200 210 250 280 300 350 375 420 500 525 600 700 750 840 875 953 1,000 1,050 1,400 1,500 1,750 1,906 2,100 2,625 2,859 3,000 3,500 3,812 4,200 4,765 5,250 5,718 6,671 7,000 7,624 9,530 10,500 11,436 13,342 14,295 19,060 20,013 21,000 22,872 23,825 26,684 28,590 33,355 38,120 40,026 47,650 53,368 57,180 66,710 71,475 80,052 95,300 100,065 114,360 119,125 133,420 142,950 160,104 166,775 190,600 200,130 238,250 266,840 285,900 333,550 357,375 400,260 476,500 500,325 571,800 667,100 714,750 800,520 833,875 953,000 1,000,650 1,334,200 1,429,500 1,667,750 2,001,300 2,501,625 2,859,000 3,335,500 4,002,600 5,003,250 6,671,000 10,006,500 and 20,013,000, with no remainder.

Since 20,013,000 cannot be divided by just 1 and 20,013,000, 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).