How do you find the GCF of #5ab, 6b^2#?

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Answer 1 · 2018-03-06T16:33:31

See a solution process below:

Find the prime factors for each number as:

#5ab = 5 xx a xx b#

#6b^2 = 2 xx 3 xx b xx b#

Now identify the common factors and determine the GCF:

#5ab = 5 xx a xx color(red)(b)#

#6b^2 = 2 xx 3 xx color(red)(b) xx b#

Therefore:

#"GCF" = color(red)(b)#