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Answers
Step-by-step explanation:
Decompose all numbers into prime factors
121 11 11 11 1 143 11 13 13 1 220 2 110 2 55 5 11 11 1
2. Write all numbers as the product of its prime factors
Prime factors of 121 = 112
Prime factors of 143 = 11 . 13
Prime factors of 220 = 22 . 5 . 11
3. Choose the common and uncommon prime factors with the greatest exponent
Common prime factors: 11
Common prime factors with the greatest exponent: 112
Uncommon prime factors: 13 , 2 , 5
Uncommon prime factors with the greatest exponent: 131, 22, 51
4. Calculate the Least Common Multiple or LCM
Remember, to find the LCM of several numbers you must multiply the common and uncommon prime factors with the greatest exponent of those numbers.
LCM = 112. 131. 22. 51 = 31460
Step-by-step explanation:
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