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:

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

How do you find the GCF of 5ab, 6b^25ab, 6b^2?