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13-05-2020
Mathematics

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State all the prime factors of 21

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13-05-2020

Answer: 21 is a composite number.

Step-by-step explanation:21 = 1 x 21 or 3 x 7. Factors of 21: 1, 3, 7, 21. Prime factorization: 21 = 3 x 7.

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13-05-2020

3×7 it’s a comp. number like 2 4 6 8

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