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Solution - Greatest common factor (GCF)
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Other Ways to Solve:
Step by Step Solution
Calculate Greatest Common Factor for :
25, 56 and 84
Factorize of the above numbers :
25 = 52
56 = 23 • 7
84 = 22 • 3 • 7
Build a prime factors table
| Prime Factor | Number 25 | Number 56 | Number 84 | G.C.F (min) |
|---|---|---|---|---|
| 2 | 0 | 3 | 2 | 0 |
| 3 | 0 | 0 | 1 | 0 |
| 5 | 2 | 0 | 0 | 0 |
| 7 | 0 | 1 | 1 | 0 |
GCF = 1
Greatest Common Factor is :
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