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Question
The L.C.M of 27, 63 and 54 is
The L.C.M of 27, 63 and 54 is
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Solution
The correct option is D 378
The least common multiple is a product of common & odd prime factors between the integers which is divisible by each one an integer of this same group.LCM of 27, 54 and 639| 27 54 633| 3 6 72| 1 2 77| 1 1 71 | 1 1 1
Multiply the divisors to find the lcm of 27, 54 and 639 x 3 x 2 x 7 = 378LCM(27, 54, 63) = 378
The least common multiple for three numbers 27, 54 and 63 is 378So option D is the correct answer.
The least common multiple is a product of common & odd prime factors between the integers which is divisible by each one an integer of this same group.
LCM of 27, 54 and 63
9| 27 54 63
3| 3 6 7
2| 1 2 7
7| 1 1 7
1 | 1 1 1
Multiply the divisors to find the lcm of 27, 54 and 63
9 x 3 x 2 x 7 = 378
LCM(27, 54, 63) = 378
The least common multiple for three numbers 27, 54 and 63 is 378
So option D is the correct answer.
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