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Popular >

Find the GCF 27 , 63

Solution

gcf

27, 63

9

Solution steps

27, 63

Prime factorization of

27 : 3 \cdot 3 \cdot 3

27

27

divides by

327 = 9 \cdot 3

= 3 \cdot 9

9

divides by

39 = 3 \cdot 3

= 3 \cdot 3 \cdot 3

Prime factorization of

63 : 3 \cdot 3 \cdot 7

63

63

divides by

363 = 21 \cdot 3

= 3 \cdot 21

21

divides by

321 = 7 \cdot 3

= 3 \cdot 3 \cdot 7

3, 7

are all prime numbers, therefore no further factorization is possible

= 3 \cdot 3 \cdot 7

The prime factors common to

27, 63

are

= 3 \cdot 3

Multiply the numbers:

3 \cdot 3 = 9

= 9

\frac{105}{7}

\frac{17}{4}

1.01

t o a p erce n t a g e 82/50

\frac{50}{0.3}