Question

What is the greatest common factor in 5 12 14

Answer 1

-- The factors of 5 are 1 and 5 .

-- The factors of 12 are 1, 2, 3, 4, 6, and 12.

-- The factors of 14 are 1, 2, 7, and 14.

The only factor that's common to 5, 12, and 14 is ' 1 ',
so naturally it must also be the greatest common one.