Question

What are the common factors of 15 33 and 45???

Answer 1

`15|3\\.\ 5|5\\.\ 1|\\15=\fbox3*5\\\\33|3\\11|11\\.\ 1|\\33=\fbox3*11\\\\45|3\\15|3\\.\ 5|5\\.\ 1|\\45=\fbox3*3*5\\\\LCF(15;\ 33;\ 45)=\fbox3`