3 years ago

What is the greatest common factor of 90 and 15

2 answers:

8 0

The greatest common factor is the highest number that divides exactly into two or more numbers.

15: 1, 3, 5, 15 

90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90 

The GCF for 15 and 90 is 15.

Leviafan [203]3 years ago

7 0

$90: \ 30, \ 6 
 \\ 15: \ 5, \ 1
 \\ 3 \ x \ 5 \ = \ 15
 \\ GCF: \ 15

$

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