Q: Is 20,000,100 a Composite Number?

Why is 20,000,100 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 20,000,100 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 163 300 326 409 489 652 815 818 978 1,227 1,630 1,636 1,956 2,045 2,445 2,454 3,260 4,075 4,090 4,890 4,908 6,135 8,150 8,180 9,780 10,225 12,225 12,270 16,300 20,450 24,450 24,540 30,675 40,900 48,900 61,350 66,667 122,700 133,334 200,001 266,668 333,335 400,002 666,670 800,004 1,000,005 1,333,340 1,666,675 2,000,010 3,333,350 4,000,020 5,000,025 6,666,700 10,000,050 and 20,000,100, with no remainder.

Since 20,000,100 cannot be divided by just 1 and 20,000,100, 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).