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A common factor of 25 and 35 is:

ASeven
BEight
CFive
DNine
Answer & Solution
Correct answer: C. Five
1. Write the factors of each number and look at the overlap. 2. 5 divides 25 exactly and also divides 35 exactly. 3. So 5 is a common factor of 25 and 35. _Source: syllabus Mathematics, 'Math-Magic', Ch 6 'Be My Multiple, I'll be Your Factor'_
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