Solution - Greatest common factor (GCF)
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Step by Step Solution
Calculate Greatest Common Factor for :
10, 12 and 20
Factorize of the above numbers :
10 = 2 • 5
12 = 22 • 3
20 = 22 • 5
Build a prime factors table
| Prime Factor | Number 10 | Number 12 | Number 20 | G.C.F (min) |
|---|---|---|---|---|
| 2 | 1 | 2 | 2 | 1 |
| 3 | 0 | 1 | 0 | 0 |
| 5 | 1 | 0 | 1 | 0 |
GCF = 2
Greatest Common Factor is :
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