How do you find the GCF of 15 and 25?

1 Answer
Maria Darling · EZ as pi
Jul 29, 2017

#5#

Explanation:

The Greatest Common Factor of #15 and 25 " is " 5.#

The factors of #15# are #3 and 5#
(the number itself and 1 do not count).

The factor(s) of #25 " is " 5#. After all, it is a square number.

The only factor that is in common is #5#

(again remember that 1 does not count here -although #1# is common, #5# is higher)

Hope I helped!

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