Solution - Greatest common factor (GCF)
7
Step by Step Solution
Calculate Greatest Common Factor for :
21, 49
Factorize of the above numbers :
21 = 3 • 7
49 = 72
Build a prime factors table
| Prime Factor | Number 21 | Number 49 | G.C.F (min) |
|---|---|---|---|
| 3 | 1 | 0 | 0 |
| 7 | 1 | 2 | 1 |
GCF = 7
Greatest Common Factor is :
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