Calculate the Least Common Multiple or LCM of 123 and 451
Sponsors
The instructions to find the LCM of 123 and 451 are the next:
1. Decompose all numbers into prime factors
| 123 | 3 |
| 41 | 41 |
| 1 |
| 451 | 11 |
| 41 | 41 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 123 | = | 3 . 41 |
| Prime factors of 451 | = | 11 . 41 |
3. Choose the common and uncommon prime factors with the greatest exponent
Common prime factors: 41
Common prime factors with the greatest exponent: 411
Uncommon prime factors: 3 , 11
Uncommon prime factors with the greatest exponent: 31, 111
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 = 411. 31. 111 = 1353
Also calculates the: