Q: Is 20,120,850 a Composite Number?

Why is 20,120,850 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 20,120,850 can be evenly divided by 1 2 3 5 6 9 10 15 18 25 30 45 50 61 75 90 122 150 183 225 305 366 450 549 610 733 915 1,098 1,466 1,525 1,830 2,199 2,745 3,050 3,665 4,398 4,575 5,490 6,597 7,330 9,150 10,995 13,194 13,725 18,325 21,990 27,450 32,985 36,650 44,713 54,975 65,970 89,426 109,950 134,139 164,925 223,565 268,278 329,850 402,417 447,130 670,695 804,834 1,117,825 1,341,390 2,012,085 2,235,650 3,353,475 4,024,170 6,706,950 10,060,425 and 20,120,850, with no remainder.

Since 20,120,850 cannot be divided by just 1 and 20,120,850, 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).