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OpenStudy (anonymous):
The GCF of 15 and 27 is _____. Numerical Answers Expected! Answer for Blank 1:
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OpenStudy (anonymous):
The greatest common factor, or GCF, is the greatest factor that divides two numbers. To find the GCF of two numbers: List the prime factors of each number. Multiply those factors both numbers have in common. If there are no common prime factors, the GCF is 1.
OpenStudy (anonymous):
15/27 = 5/9 The GCF is 3
OpenStudy (anonymous):
so the GCF is 3 are you sure i really need the answer?
OpenStudy (anonymous):
yes its 3
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