Q: Is 21,704,650 a Composite Number?

Why is 21,704,650 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 21,704,650 can be evenly divided by 1 2 5 10 11 19 22 25 31 38 50 55 62 67 95 110 134 155 190 209 275 310 335 341 418 475 550 589 670 682 737 775 950 1,045 1,178 1,273 1,474 1,550 1,675 1,705 2,077 2,090 2,546 2,945 3,350 3,410 3,685 4,154 5,225 5,890 6,365 6,479 7,370 8,525 10,385 10,450 12,730 12,958 14,003 14,725 17,050 18,425 20,770 22,847 28,006 29,450 31,825 32,395 36,850 39,463 45,694 51,925 63,650 64,790 70,015 78,926 103,850 114,235 140,030 161,975 197,315 228,470 323,950 350,075 394,630 434,093 571,175 700,150 868,186 986,575 1,142,350 1,973,150 2,170,465 4,340,930 10,852,325 and 21,704,650, with no remainder.

Since 21,704,650 cannot be divided by just 1 and 21,704,650, 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).