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January 28, 2015

January 28, 2015

Posted by **makeeda** on Saturday, January 9, 2010 at 3:45pm.

a)19

b)13

c)7

D)3

- math -
**Marth**, Saturday, January 9, 2010 at 4:03pmStart by finding the prime factorization of each. Then you can find which prime factors the two composite numbers have in common, which leads to the GCF.

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