Solution - Greatest common factor (GCF)
20
Step by Step Solution
Calculate Greatest Common Factor for :
400, 20
Factorize of the above numbers :
400 = 24 • 52
20 = 22 • 5
Build a prime factors table
| Prime Factor | Number 400 | Number 20 | G.C.F (min) |
|---|---|---|---|
| 2 | 4 | 2 | 2 |
| 5 | 2 | 1 | 1 |
GCF = 22 • 5
Greatest Common Factor is :
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