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Posted by on Thursday, December 11, 2008 at 4:37pm.

What is the L.C.M. of 9 and 27? Also the G.C.F. of 9 and 27?

  • Math - , Thursday, December 11, 2008 at 4:46pm

    Multiples of 9: 9, 18, 27, 36, 45 . . .
    Multiples of 27: 27, 54, 80 . . .

    Which is the smallest common multiple?

    Factors of 9: 1, 3, 9
    Factors of 27: 1, 3, 9, 27

    What is the largest factor?

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