3 years ago

Greatest common factor of 45 51 63

1 answer:

8 0

$45|3\\15|3\\.\ 5|5\\.\ 1|\\45=\fbox3\times3\times5\\\\51|3\\17|17\\.\ 1|\\51=\fbox3\times17\\\\63|3\\21|3\\.\ 7|7\\.\ 1|\\63=\fbox3\times3\times7\\\\GCF(45;\ 51;\ 63)=\fbox3$

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