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## Homework Statement

This is slightly embarassing, but how do you find the hcf and lcm?

For example, 22,24,30. What would the hcf and lcm be?

Or,

The period of f(x)=sinx+cosx is the lcm of 2pi, 2pi, what would that be?

## Homework Equations

HCF*LCM=f(x)*g(x)