freakygirl838w

2022-06-25

What is the greatest common factor of 30, 45, and 50?

Schetterai

Expert

Step 1
Factors of 30 are $\left\{1,2,3,5,6,10,15,30\right\}$
Factors of 45 are $\left\{1,3,5,9,15,45\right\}$
Factor of 50 are $\left\{1,2,5,10,25,50\right\}$
Hence common factors are $\left\{1,5\right\}$ and greatest common factor is 5.

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