Asked by Tomas

Which set of numbers has a greatest common factor of 1 ?

a. 2,3,and 6
b. 2,200, and 400
c. 3,9,and 27
d. 22,33,and 99
e. 100,500, and 2,500

please answer and explain

Answers

Answered by bobpursley
the factors of a) are
2,1
3,1
6,3, or 6,1 the greatest common factor is 1.

the factors of d are
11,2 ; 22,1
33,1, ; 11,3
99,1; 33,3; 11,9

the greatest COMMON factor is 11
Answered by Tomas
The answer is d, right ?
Answered by Tomas
wrong, the answer is a
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