Question

write the mean factors of 20

Answer 1

20 is a composite number. 20 = 1 x 20, 2 x 10, or 4 x 5. Factors of 20: 1, 2, 4, 5, 10, 20. Prime factorization: 20 = 2 x 2 x 5, which can also be written 20 = 2² x 5.

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Answer 2

ANSWER IS

Factors of 20 are 1, 2, 4, 5, 10, 20

Now
Mean = Sum of Number/Total Number
$= \frac{1 + 2 + 4 + 5 + 10 + 20}{6} \\ \\ = \frac{42}{6} \\ \\ = 7$
Therefore Mean of Factors of 20 is 7

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