Q: Is 18,700,000 a Composite Number?

Why is 18,700,000 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 18,700,000 can be evenly divided by 1 2 4 5 8 10 11 16 17 20 22 25 32 34 40 44 50 55 68 80 85 88 100 110 125 136 160 170 176 187 200 220 250 272 275 340 352 374 400 425 440 500 544 550 625 680 748 800 850 880 935 1,000 1,100 1,250 1,360 1,375 1,496 1,700 1,760 1,870 2,000 2,125 2,200 2,500 2,720 2,750 2,992 3,125 3,400 3,740 4,000 4,250 4,400 4,675 5,000 5,500 5,984 6,250 6,800 6,875 7,480 8,500 8,800 9,350 10,000 10,625 11,000 12,500 13,600 13,750 14,960 17,000 18,700 20,000 21,250 22,000 23,375 25,000 27,500 29,920 34,000 34,375 37,400 42,500 44,000 46,750 50,000 53,125 55,000 68,000 68,750 74,800 85,000 93,500 100,000 106,250 110,000 116,875 137,500 149,600 170,000 187,000 212,500 220,000 233,750 275,000 340,000 374,000 425,000 467,500 550,000 584,375 748,000 850,000 935,000 1,100,000 1,168,750 1,700,000 1,870,000 2,337,500 3,740,000 4,675,000 9,350,000 and 18,700,000, with no remainder.

Since 18,700,000 cannot be divided by just 1 and 18,700,000, 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).