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Q: What is the LCM of 10 20 30 and 40?

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The LCM is 40.

The Least Common Multiple (LCM) for 30 20 40 is 120.

The Least Common Multiple (LCM) for 20 40 30 is 120.

The Least Common Multiple (LCM) for 40 20 10 is 40.

The LCM is: 120

The LCM is: 120

The LCM of 8, 10, and 20 is 40. Multiples of 8: 8, 16, 24, 32, 40, 48...... Multiples of 10: 10, 20, 30, 40, 50, 60...... Multiples of 20: 20, 40, 60, 80 The smallest number that all three numbers go into evenly is 40. Therefore the LCM of 8, 10, and 20 is 40.

40

40

40

It is: 40

The least common multiple of 20 , 40 , 30 = 120

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