What is the GCF of 6 and 15?
The GCF of 6 and 15 is 3.To find the GCF, list all of the factors.6: 1, 2, 3, 6.15: 1, 3, 5, 15.Since 3 appears on both of the lists of factors, 3 is the GCF.
\(6|2\\3|3\\1|\\6=2\times\fbox3\\\\15|3\\. 5|5\\.1|\\15=\fbox3\times5\\\\\huge\boxed{GCF(6;\ 15)=\fbox3}\)
