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What is the LCM of 9 3 and 7?

Updated: 8/21/2019
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Wiki User

8y ago

Best Answer

63.

The way to answer this type of problem quickly and efficiently is to multiply some of the numbers together. Pair them. In this problem, I paired them into:

7,3

7,9

3,9

For example, I said to myself "7x3=21. Is 21 a multiple of 9? No." Eliminate that pair.

7,3

Next i did 7x9. 63. This is a multiple of all 3 of these numbers. Don't stop there! Check, just to be safe.

7,9

3x9=27. 27 isn't a factor of 7. Eliminate that pair!. You've solved the problem. 63 is the LCM of 7,3, and 9

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Wiki User

15y ago
This answer is:
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SAYAN BHATTACHARYA

Lvl 1
1y ago
sexu
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Wiki User

8y ago

The LCM is 63.

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Wiki User

8y ago

The LCM is 63.

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Wiki User

9y ago

LCM(7, 9, 3) = 63.

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Wiki User

8y ago

It is: 63

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Q: What is the LCM of 9 3 and 7?
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