LCM/ GCF
categories: Math 10, Uncategorized
How to find the LCM
Find the greatest common factor of the two numbers
112 and 700
GCF= 28
2. Divide one of the numbers by the GCF
112/28= 4
3. Multiply that number by the other number
(4)(700)= 2800
How to find the GCF
Write your numbers next to each other
144 132
2. Write a number that they are both divisible by underneath
144 132
2
3. Divide them
144 132
2
72 66
4. Keep going until you can’t go anymore
144 132
2
72 66
2
36 33
3
12 11
5. Multiply all of the numbers down the middle
(2)(2)(3)= 12
6. 12 is the greatest common factor
I like using the method that we did in class because it is easier to me.