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June 26, 2016
Posted by **TALITA** on Monday, May 11, 2009 at 2:07pm.

- MATH -
**PsyDAG**, Monday, May 11, 2009 at 2:18pmFactor each one into their primary factors 5 & 2 & 2, 2 & 3 & 5, and finally 2 & 5 & 5.

Does that answer your question? Thanks for asking. - MATH -
**Ms. Sue**, Monday, May 11, 2009 at 2:35pmAnother way to solve this problem is to list each of the multiples:

20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240, 260, 280, 300, 320, 340, 360

30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330, 360

50, 100, 150, 200, 250, 300, 350

What is the smallest number that's the same on all three lists?