Calculate the Least Common Multiple or LCM of 84, 208 and 341
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The instructions to find the LCM of 84, 208 and 341 are the next:
1. Decompose all numbers into prime factors
84 | 2 |
42 | 2 |
21 | 3 |
7 | 7 |
1 |
208 | 2 |
104 | 2 |
52 | 2 |
26 | 2 |
13 | 13 |
1 |
341 | 11 |
31 | 31 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 84 | = | 22 . 3 . 7 |
Prime factors of 208 | = | 24 . 13 |
Prime factors of 341 | = | 11 . 31 |
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 , 3 , 7 , 13 , 11 , 31
Uncommon prime factors with the greatest exponent: 24, 31, 71, 131, 111, 311
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 = 24. 31. 71. 131. 111. 311 = 1489488
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