Solution
let take 4,6 a two consecutive even integers
6 = $$2\times 3$$
4 =$$2\times 2$$
select the highest common factor = 2
similarly take another no
let take 12,14 a two consecutive even integers
12 = $$2\times 2\times 3$$
14 =$$2\times 7$$
select the highest common factor = 2
so the hcf is 2 only
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