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Q.

Find the L.C.M of 39,65,130,156

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a

780

b

770

c

760

d

750

answer is A.

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Detailed Solution

Concept- We will utilize the prime factorization method to determine the LCM, or lowest common multiple, for the given numbers. It is a way to calculate the product of prime factors for the given number. Find the maximum number of times each prime factor occurs out of all the received prime factors after applying prime factorization to the provided number. The LCM, or least common multiple, is this.
As far as we are aware, the prime factorization approach involves dividing a given integer into its prime factors. Prime numbers or factors are those that may be divided exactly by 1 or themselves, such as 2, 3, 5, 7, 11, and 13. By prime factorization technique,
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The least common multiple, or L.C.M of the supplied numbers, is determined by counting the most instances of each prime component.

Hence, the correct answer is option 1.

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