Calculate the Least Common Multiple or LCM of 170
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The instructions to find the LCM of 170 are the next:
1. Decompose all numbers into prime factors
170 | 2 |
85 | 5 |
17 | 17 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 170 | = | 2 . 5 . 17 |
3. Choose the common and uncommon prime factors with the greatest exponent
Common prime factors: 2 , 5 , 17
Common prime factors with the greatest exponent: 21, 51, 171
Uncommon prime factors: None
Uncommon prime factors with the greatest exponent: None
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. 51. 171 = 170
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