Posted by Paige on Friday, January 30, 2009 at 2:10am.
what is prime and composite 13,37,25,117208,67

4th grade  Damon, Friday, January 30, 2009 at 2:44am
13 is prime
37 is prime
25 = 5*5
117208 is even so divisible by 2
67 is prime

4th grade  Sahana, Monday, February 9, 2009 at 3:13pm
Prime:13,37,67
Composite:25,117208
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