3 years ago

What is the LCM and GCF of 13 and 15?!

2 answers:

3 0

$LCM\\\\
13:13\\1:1\\\\
15:3\\
5:5\\1:1\\\\LCM(13,15)=1*3*5*13=195\\\\
GCF:\\\\GCF(13,15)=1.$

3 0

13 is prime so the GCF is 1.
The LCM: 13*15/1=195

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