Q: Is 18,000,090 a Composite Number?

Why is 18,000,090 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 18,000,090 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 163 270 326 409 489 815 818 978 1,227 1,467 1,630 2,045 2,445 2,454 2,934 3,681 4,090 4,401 4,890 6,135 7,335 7,362 8,802 11,043 12,270 14,670 18,405 22,005 22,086 36,810 44,010 55,215 66,667 110,430 133,334 200,001 333,335 400,002 600,003 666,670 1,000,005 1,200,006 1,800,009 2,000,010 3,000,015 3,600,018 6,000,030 9,000,045 and 18,000,090, with no remainder.

Since 18,000,090 cannot be divided by just 1 and 18,000,090, 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).