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It's either GCF (Greatest Common Factor) or LCM (Least Common Multiple).

GCF of 3 and 9 is 3, but seven only has 1 as a common factor with the other two, so GCF is 1.

LCM of 3 & 9 is 9, and LCM of 9 and 7 is 7 x 9, so LCM is 63.

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

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There can be no GCM (Greatest Common Multiple). Suppose a GCM exists and suppose it is x. That is, x is the GCM of 7 and 13, then 2x is a multiple of both 7 and 13 and is greater than x. This contradicts the statement that x is the GCM. So x cannot be the GCM.

60

{ [(1+3) *5 ] +7 } /9 = 3 [4 *5] + 7 = 27 divided by 9 = 3 also [ (1+3) / (5+7) ] * 9 = 3 More complex is 13 * (5+7) - 9 = 3 with just signs : -1 -3 +5 -7 + 9 = 3

6=2*3 7=7 8=2*2*2 6 and 8 both have 2's, but 8 has more. Cross out the 2 from 6. 3*7*2*2*2 =168

9.4286

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The gcm for 9 and 12 would be 3. :)

There can be no GCM (Greatest Common Multiple). Suppose a GCM exists and suppose it is x. That is, x is the GCM of 7 and 13, then 2x is a multiple of both 7 and 13 and is greater than x. This contradicts the statement that x is the GCM. So x cannot be the GCM.

The greatest common multiple of any set of integers is infinite.

The GCM would be 9 because if you multiply 9*4=36 9*5=45 9*7=63(:

27353563765263

9*18=162

The greatest common multiple of any set of integers is infinite.

There is not a unique answer. (3,36) and (9,12) are two possible solutions.

Density = Mass/Volume = 112/24 gcm-3 = 4.667 gcm-3

The greatest common multiple of any set of integers is infinite.

0.791 gcm-3. :)

60

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