What is gcd 81,27,9 ?

The solution to gcd 81,27,9 is 9

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Find the GCF 81 , 27 , 9

gcf

81, 27, 9

9

Solution steps

81, 27, 9

Prime factorization of

81 : 3 \cdot 3 \cdot 3 \cdot 3

81

81

divides by

381 = 27 \cdot 3

= 3 \cdot 27

27

divides by

327 = 9 \cdot 3

= 3 \cdot 3 \cdot 9

9

divides by

39 = 3 \cdot 3

= 3 \cdot 3 \cdot 3 \cdot 3

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

9 : 3 \cdot 3

9

9

divides by

39 = 3 \cdot 3

= 3 \cdot 3

The prime factors common to

81, 27, 9

are

= 3 \cdot 3

Multiply the numbers:

3 \cdot 3 = 9

= 9

t o a p erce n t a g e 23/20

\frac{24}{5}

180 - 53

\frac{42}{5}

\frac{13}{3}