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Which of theses numbers are prime? 25 29 33 31 39 21

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User Leosan
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Answer:

Explanation:

prime numbers are any numbers that do not have any factors other than 1 and itself.

Example: 11

factors: 1, 11

Composite numbers are any numbers that have factors besides than 1 and itself.

Example: 42

factors: 1,2,3,6,7,14,21,42

the prime numbers in the set include 29 and 31, since no numbers multiplied besides one and themselves will give the product of 29 and 31.

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User Zynk
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