Homework Help: math, algebra

Posted by jasmine20 on Monday, December 4, 2006 at 7:04pm.

Can someone check this for me :

Find the gcf for each of hte following groups of numbers: 36,64, and 180

My answer: gcf=4

Find the lcm for each of the following groups of numbers which ever method you wish:8,15, and 20

My answer: Lcm=1

Find two factors of 15 with a difference of 2?

My answer: 3 and 5

Normally, we exclude 1 when listing lcm. In this case, it is wrong. The lcm is 120.

my question is are the other two answers correct or are they wrong as well.

No one has answered this question yet.

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