How many of the positive factors of 14 are not factors of 21?

How many of the positive factors of 14 are not factors of 21?

Quiz

Answer/Solution

1

Steps/Work

Factors of 14 - 1, 2, 7, 14,
factors of 21- 1, 3, 7, 21,
Comparing both, we have three factors of 14 which are not factors of 21- 2,14
The answer is C

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