Solution - Greatest common factor (GCF)
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Step by Step Solution
Calculate Greatest Common Factor for :
72, 90 and 126
Factorize of the above numbers :
72 = 23 • 32
90 = 2 • 32 • 5
126 = 2 • 32 • 7
Build a prime factors table
| Prime Factor | Number 72 | Number 90 | Number 126 | G.C.F (min) |
|---|---|---|---|---|
| 2 | 3 | 1 | 1 | 1 |
| 3 | 2 | 2 | 2 | 2 |
| 5 | 0 | 1 | 0 | 0 |
| 7 | 0 | 0 | 1 | 0 |
GCF = 2 • 32
Greatest Common Factor is :
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