Find out the common factors of the following:
a.45 and 90
b. 13 and 19
Answers
Answered by
7
Answer:
The factors of 90 are 90, 45, 30, 18, 15, 10, 9, 6, 5, 3, 2, 1. The common factors of 45 and 90 are 45, 15, 9, 5, 3, 1, intersecting the two sets above. In the intersection factors of 45 ∩ factors of 90 the greatest element is 45. Therefore, the greatest common factor of 45 and 90 is 45.
Answered by
6
Step-by-step explanation:
The common factor of 45 and 90 is 1,3,5,9 and 15
The common factors of 13 and 19 is 1
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