Question

Greatest common factor of 45 51 63

Answer 1

`45|3\\15|3\\.\ 5|5\\.\ 1|\\45=\fbox3*3*5\\\\51|3\\17|17\\.\ 1|\\51=\fbox3*17\\\\63|3\\21|3\\.\ 7|7\\.\ 1|\\63=\fbox3*3*7\\\\GCF(45;\ 51;\ 63)=\fbox3`