Posted by scooby91320002 on Wednesday, July 15, 2009 at 8:02pm.
Find two factors of 28 with a sum of 11.
Find the prime factorization of 330?
Find the greatest common factor for each of the following groups of numbers. 36, 72, and 144

math  Ms. Sue, Wednesday, July 15, 2009 at 8:25pm
Scooby  surely you can figure out the first answer.
Give it a try!

math am i correct  scooby91320002, Wednesday, July 15, 2009 at 8:38pm
Find two factors of 28 with a sum of 11.
is it 1,2?
Find the prime factorization of 330?
is it 3, 110?

math  DrBob222, Wednesday, July 15, 2009 at 8:41pm
Scooby, for #1, do 1 and 2 add to 11 as the problem states?
For #2, isn't 110 divisible by something, say 2?

math  scooby91320002, Wednesday, July 15, 2009 at 8:43pm
i don't understand how to do these sorry
so would the answer for #1 be 5 and 6 or 7 and 4?

math  DrBob222, Wednesday, July 15, 2009 at 8:51pm
Well, lets see. We want two factors of 28 that add to 11. Your answer of 7 and 4 gives 28 if multiplied and 11 if added. 6 and 5 gives 11 if added but not 28 if multiplied. So....
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