Posted by Anonymous on Wednesday, June 24, 2009 at 2:10am.
What characteristic do the numbers 8, 10, 15, 26, and
33 have that the numbers 5, 9, 16, 18, and 24 donâ€™t
have? (Hint: List the factors of the numbers.) Give two
more numbers that have this characteristic.

Math  Writeacher, Wednesday, June 24, 2009 at 8:41am
assistance needed
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math  PsyDAG, Wednesday, June 24, 2009 at 1:25pm
8 = 2*2*2
10 = 2*5
15 = 3*5
26 = 2*13
33 = 3*11
5 is prime
9 = 3*3
16 = 2*2*2*2
18 = 2*3*3
24 = 2*2*3
From these factors, I do not see any factor that is common to all the numbers in one group that differ from all the numbers of the other group. However, most typical of the second group are factors that are squared (the number multiplied by itself). Only one in the first group involves a square.
This is assuming that there is no typo in the numbers you provided.
I hope this helps. Thanks for asking.
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