Q: Is 20,723,000 a Composite Number?

Why is 20,723,000 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 20,723,000 can be evenly divided by 1 2 4 5 8 10 17 20 23 25 34 40 46 50 53 68 85 92 100 106 115 125 136 170 184 200 212 230 250 265 340 391 424 425 460 500 530 575 680 782 850 901 920 1,000 1,060 1,150 1,219 1,325 1,564 1,700 1,802 1,955 2,120 2,125 2,300 2,438 2,650 2,875 3,128 3,400 3,604 3,910 4,250 4,505 4,600 4,876 5,300 5,750 6,095 6,625 7,208 7,820 8,500 9,010 9,752 9,775 10,600 11,500 12,190 13,250 15,640 17,000 18,020 19,550 20,723 22,525 23,000 24,380 26,500 30,475 36,040 39,100 41,446 45,050 48,760 48,875 53,000 60,950 78,200 82,892 90,100 97,750 103,615 112,625 121,900 152,375 165,784 180,200 195,500 207,230 225,250 243,800 304,750 391,000 414,460 450,500 518,075 609,500 828,920 901,000 1,036,150 1,219,000 2,072,300 2,590,375 4,144,600 5,180,750 10,361,500 and 20,723,000, with no remainder.

Since 20,723,000 cannot be divided by just 1 and 20,723,000, 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).