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If three numbers 36,54 and another number have a G.C.D of 6 and L.C.M of 216,find the other number

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Formula= (GCD ×LCM)÷the number
(6×216)=1296
1296÷36=36
1296÷54=24
Therefore the other number is 24 ..since we already have 36 as one of the answers
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No3  gcd × factor in lcm but absent in all the other given number 
2³×3= 24
No1 36= 2²× 3²
No2 54= 2×3³
Lcm 216= 2³× 3³
Gcd 6= 2×3
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24
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2/3 or1.5.
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2/3 or1.5.

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