Question
Find Least Common Multiple of 16, 13, 7 and 19 using ladder method..
Answer
LCM( 16, 13, 7, 19 ) = 27664
Explanation
Step 1 : Place the numbers inside division bar:
| 16 | 13 | 7 | 19 |
Step 2 : Find a prime number which can divide at least two of your numbers.
Since there are no primes that divides at least two of given numbers, we conclude that the LCM is a product of starting numbers.
LCM = 16 · 13 · 7 · 19 = 27664
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