Q: Is 15,721,500 a Composite Number?

Why is 15,721,500 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 15,721,500 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 25 30 47 50 60 75 94 100 125 141 150 188 223 235 250 282 300 375 446 470 500 564 669 705 750 892 940 1,115 1,175 1,338 1,410 1,500 2,230 2,350 2,676 2,820 3,345 3,525 4,460 4,700 5,575 5,875 6,690 7,050 10,481 11,150 11,750 13,380 14,100 16,725 17,625 20,962 22,300 23,500 27,875 31,443 33,450 35,250 41,924 52,405 55,750 62,886 66,900 70,500 83,625 104,810 111,500 125,772 157,215 167,250 209,620 262,025 314,430 334,500 524,050 628,860 786,075 1,048,100 1,310,125 1,572,150 2,620,250 3,144,300 3,930,375 5,240,500 7,860,750 and 15,721,500, with no remainder.

Since 15,721,500 cannot be divided by just 1 and 15,721,500, 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).