LCM( 175, 245 ) = 1225
Write down multiples of each number until you find the first common multiple:
The multipliers of 175 are: 175, 350, 525, 700, 875, 1050, 1225, 1400, . . .
The multipliers of 245 are: 245, 490, 735, 980, 1225, 1470, . . .
We can see that:
LCM( 175, 245 ) = 1225
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.