Calculate the Least Common Multiple or LCM of 138
Sponsors
The instructions to find the LCM of 138 are the next:
1. Decompose all numbers into prime factors
138 | 2 |
69 | 3 |
23 | 23 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 138 | = | 2 . 3 . 23 |
3. Choose the common and uncommon prime factors with the greatest exponent
Common prime factors: 2 , 3 , 23
Common prime factors with the greatest exponent: 21, 31, 231
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. 31. 231 = 138
Also calculates the: