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Popular >

Find the GCF 16 , 28

Solution

gcf

16, 28

4

Solution steps

16, 28

Prime factorization of

16 : 2 \cdot 2 \cdot 2 \cdot 2

16

16

divides by

216 = 8 \cdot 2

= 2 \cdot 8

8

divides by

28 = 4 \cdot 2

= 2 \cdot 2 \cdot 4

4

divides by

24 = 2 \cdot 2

= 2 \cdot 2 \cdot 2 \cdot 2

Prime factorization of

28 : 2 \cdot 2 \cdot 7

28

28

divides by

228 = 14 \cdot 2

= 2 \cdot 14

14

divides by

214 = 7 \cdot 2

= 2 \cdot 2 \cdot 7

2, 7

are all prime numbers, therefore no further factorization is possible

= 2 \cdot 2 \cdot 7

The prime factors common to

16, 28

are

= 2 \cdot 2

Multiply the numbers:

2 \cdot 2 = 4

= 4

\frac{1500}{4}

t o a p erce n t a g e 37/50

\frac{120}{6}

\frac{68}{4}

\frac{56}{4}