Q: Is 1,565,550 a Composite Number?

Why is 1,565,550 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 1,565,550 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 49 50 63 70 71 75 90 98 105 126 142 147 150 175 210 213 225 245 294 315 350 355 426 441 450 490 497 525 630 639 710 735 882 994 1,050 1,065 1,225 1,278 1,470 1,491 1,575 1,775 2,130 2,205 2,450 2,485 2,982 3,150 3,195 3,479 3,550 3,675 4,410 4,473 4,970 5,325 6,390 6,958 7,350 7,455 8,946 10,437 10,650 11,025 12,425 14,910 15,975 17,395 20,874 22,050 22,365 24,850 31,311 31,950 34,790 37,275 44,730 52,185 62,622 74,550 86,975 104,370 111,825 156,555 173,950 223,650 260,925 313,110 521,850 782,775 and 1,565,550, with no remainder.

Since 1,565,550 cannot be divided by just 1 and 1,565,550, 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).