Calculate the Least Common Multiple or LCM of 285
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The instructions to find the LCM of 285 are the next:
1. Decompose all numbers into prime factors
285 | 3 |
95 | 5 |
19 | 19 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 285 | = | 3 . 5 . 19 |
3. Choose the common and uncommon prime factors with the greatest exponent
Common prime factors: 3 , 5 , 19
Common prime factors with the greatest exponent: 31, 51, 191
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 = 31. 51. 191 = 285
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