Solution - Greatest common factor (GCF)
7
Step by Step Solution
Calculate Greatest Common Factor for :
28, 63
Factorize of the above numbers :
28 = 22 • 7
63 = 32 • 7
Build a prime factors table
| Prime Factor | Number 28 | Number 63 | G.C.F (min) |
|---|---|---|---|
| 2 | 2 | 0 | 0 |
| 3 | 0 | 2 | 0 |
| 7 | 1 | 1 | 1 |
GCF = 7
Greatest Common Factor is :
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