Solution - Greatest common factor (GCF)
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Step by Step Solution
Calculate Greatest Common Factor for :
54, 72 and 81
Factorize of the above numbers :
54 = 2 • 33
72 = 23 • 32
81 = 34
Build a prime factors table
| Prime Factor | Number 54 | Number 72 | Number 81 | G.C.F (min) |
|---|---|---|---|---|
| 2 | 1 | 3 | 0 | 0 |
| 3 | 3 | 2 | 4 | 2 |
GCF = 32
Greatest Common Factor is :
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