Solution - Greatest common factor (GCF)
11
Step by Step Solution
Calculate Greatest Common Factor for :
55, 77 and 132
Factorize of the above numbers :
55 = 5 • 11
77 = 7 • 11
132 = 22 • 3 • 11
Build a prime factors table
| Prime Factor | Number 55 | Number 77 | Number 132 | G.C.F (min) |
|---|---|---|---|---|
| 2 | 0 | 0 | 2 | 0 |
| 3 | 0 | 0 | 1 | 0 |
| 5 | 1 | 0 | 0 | 0 |
| 7 | 0 | 1 | 0 | 0 |
| 11 | 1 | 1 | 1 | 1 |
GCF = 11
Greatest Common Factor is :
11How did we do?
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