Question

find whether the first number is a factor of the second number or not 15,75
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Answer 1

Answer:

The factors of 75 are 75, 25, 15, 5, 3, 1. The common factors of 15 and 75 are 15, 5, 3, 1, intersecting the two sets above. In the intersection factors of 15 ∩ factors of 75 the greatest element is 15. Therefore, the greatest common factor of 15 and 75 is 15.

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