what is the gcf of 30 and 54? 3 6 9 15
what is the gcf of 30 and 54? 3 6 9 15
Answer
Explanation:
Step1: Prime - factorize 30
$30 = 2\times15=2\times3\times5$
Step2: Prime - factorize 54
$54 = 2\times27 = 2\times3\times9=2\times3\times3\times3$
Step3: Identify common factors
The common prime factors of 30 and 54 are 2 and 3.
Step4: Calculate GCF
$GCF(30,54)=2\times3 = 6$
Answer:
6