Greatest common factor

1
Benchmark MA.6.1.2 Explain and give examples of
number theory concepts (e.g., prime
factorization, common factors, greatest common
factor, common multiples, least common multiple,
divisibility)
By
Greatest common factor
2
Example

• 2 1,2
• 4 1,2,4
• (GCF)

3
Question

• What are the greatest common factor that 100 and
  50 share?

4
solution

• 1001,2,5,10,50,100
• 501,2,5,10,50
• Find the greatest common factor

5
Answer

• The greatest common factor of 50 and 100 is 50
• 100

6
Credits

• Mr. Imamura
• the math book
• Daria
• Kapolei Middle School website
• And the whole class
• But not Caleb