Respuesta :
Answer: 6
Step-by-step explanation:
6 x 5 = 30
6 x 3 = 18
6 x 1 = 6
The term greatest common factor means the biggest number that can divide into a group of numbers, and in this case, the numbers are 30, 18, 6, and the biggest number that can divide into all of them is 6.
Hope this helps,
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A common factor is a number with which two or more numbers will be divided equally.