Asked by Rachael

What is the L.C.M. of 9 and 27? Also the G.C.F. of 9 and 27?
Answered by Ms. Sue
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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