LCM of 28,35,56 and 84
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The instructions to find the LCM of 28, 35, 56 and 84 are the next:
1. Decompose all numbers into prime factors
28 2 14 2 7 7 1 35 5 7 7 1 56 2 28 2 14 2 7 7 1 84 2 42 2 21 3 7 7 1 .
2. Write all numbers as the product of its prime factors
Prime factors of 28 = 22 . 7
Prime factors of 35 = 5 . 7
Prime factors of 56 = 23 . 7
Prime factors of 84 = 22 . 3 . 7
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Answer:
sabse pehle bro 2 se divisble karna toh tumko katne par 14,35,28,42 bach jayega
phir tum 2 se divisble karna toh phir 7,35,14,21 bach jayega
phir last mai 7 se karna toh 1,5,2,3 remain rahega phir toh katega nhi multiply kar dena
2×2×7×5×2×3
Answer:840.
please mark me brainliest.
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