Question

find the LCM of 85,75,55,25​

Answer 1

Answer:

The instructions to find the LCM of 55, 65, 75 and 85 are the next:

1st no. is in the above mentioned photo

2. Write all numbers as the product of its prime factors

Prime factors of 55=5 . 

11Prime factors of 65=5 .

 13Prime factors of 75=3 . 

52Prime facto rs of 85=5 . 17

3. Choose the common and uncommon prime factors with the greatest exponent

Common prime factors: 5

Common prime factors with the greatest exponent: 52

Uncommon prime factors: 11 , 13 , 3 , 17

Uncommon prime factors with the greatest exponent: 111, 131, 31, 171

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 = 52. 111. 131. 31. 171 = 182325

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

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