LCM( 31, 26 ) = 806
Step 1: Write down factorisation of each number:
31 = 31
26 = 2 · 13
Step 2 : Match primes vertically:
31 | = | 31 | ||||
26 | = | 2 | · | 13 |
Step 3 : Bring down numbers in each column and multiply to get LCM:
31 | = | 31 | ||||||
26 | = | 2 | · | 13 | ||||
LCM | = | 2 | · | 13 | · | 31 | = | 806 |
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.