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

Factors of 16 are 1, 2, 4, 8 and 16. As we can see that 16 has more than two factors so, it is a composite number.

Whereas 19 is prime because it has only two factors: 1 and 19.

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12y ago
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7y ago

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Q: Which is a composite number 16 or 19?
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