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Any number that has factors smaller than itself (other than 1) is a composite number.

Any number that has factors smaller than itself (other than 1) is a composite number.

Any number that has factors smaller than itself (other than 1) is a composite number.

Any number that has factors smaller than itself (other than 1) is a composite number.

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14y ago
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12y ago

A number which has more than two factors is called a composite number.

Factors of 20 are: 1, 2, 4, 5, 10 and 20.

20 has six(more than two) factors. Therefore, 20 is a composite number.

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14y ago

Any number that has factors smaller than itself (other than 1) is a composite number.

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Q: Explain why 20 is considered to be a composite number?
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