Solution - Greatest common factor (GCF)
2
Step by Step Solution
Calculate Greatest Common Factor for :
18, 20
Factorize of the above numbers :
18 = 2 • 32
20 = 22 • 5
Build a prime factors table
| Prime Factor | Number 18 | Number 20 | G.C.F (min) |
|---|---|---|---|
| 2 | 1 | 2 | 1 |
| 3 | 2 | 0 | 0 |
| 5 | 0 | 1 | 0 |
GCF = 2
Greatest Common Factor is :
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