Q: Is 20,706,900 a Composite Number?

Why is 20,706,900 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 20,706,900 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 23 25 30 46 50 60 69 75 92 100 115 138 150 230 276 300 345 460 575 690 1,150 1,380 1,725 2,300 3,001 3,450 6,002 6,900 9,003 12,004 15,005 18,006 30,010 36,012 45,015 60,020 69,023 75,025 90,030 138,046 150,050 180,060 207,069 225,075 276,092 300,100 345,115 414,138 450,150 690,230 828,276 900,300 1,035,345 1,380,460 1,725,575 2,070,690 3,451,150 4,141,380 5,176,725 6,902,300 10,353,450 and 20,706,900, with no remainder.

Since 20,706,900 cannot be divided by just 1 and 20,706,900, 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).