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1 and 3
12 4 has factors 2, 2 6 has factors 2, 3 The LCM would therefore be 2x2x3
1, 2 1, 2, 3, 6
Factors of 9: 1, 3, 9Factors of 15: 1, 3, 5, 15Factors of 6: 1, 2, 3, 6GCF (9, 15, 6) = 3
30
18
60
330
The LCM is: 12
the lcm is 12