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May 1, 2016
Posted by **Anonymous** on Tuesday, October 4, 2011 at 7:07pm.

a. 21,29,15,9,27,30

b.18,5,19,33,23,20

c.10,28,21,35,19,11

d.34,12,16,32,22,8

- 5th Grade MATH! -
**Steve**, Tuesday, October 4, 2011 at 8:22pmeach set ha 6 members, so we want sets with 4 composite numbers.

Small primes are 2,3,5,7,11,13,17,19,23,29,31,37

should be able to tell which are not primes.