What's the GCF of 3 and 5?

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Answer 1 · 2018-03-16T17:55:05

See a solution process below:

Find the prime factors for each number as:

#3 = 1 xx 3#

#5 = 1 xx 5#

Now identify the common factors and determine the GCF:

#3 = color(red)(1) xx 3#

#5 = color(red)(1) xx 5#

Therefore:

#"GCF" = color(red)(1)#