Question

Lcm of 58,55,57lowest comon multipley

Answer 1

Answer:

l. c. m. of 58,55,57

=> 1. Decompose all numbers into prime factor.

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

Prime factors of 58 = 2 . 29

Prime factors of 55 = 5 . 11

Prime factors of 57 = 3 . 19

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

Common prime factors: None

Common prime factors with the greatest exponent: None

Uncommon prime factors: 2 , 29 , 5 , 11 , 3 , 19

Uncommon prime factors with the greatest exponent: 21, 291, 51, 111, 31, 191

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 = 21. 291. 51. 111. 31. 191 = 181830