21 and 22 are the first pair.
It can be proven that, given any number n, there are sequences of n consecutive composite numbers.
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The 13 consecutive numbers from 114 to 126 are composite.The 13 consecutive numbers from 114 to 126 are composite.The 13 consecutive numbers from 114 to 126 are composite.The 13 consecutive numbers from 114 to 126 are composite.
There are no such numbers. The smallest set of three consecutive composite numbers is {8, 9, 10} and the product of these numbers is 720.
4 ,6,8,9,10,12,14,15,16,18,20,21,24,25,26,28,30,34,35,36,38,40,44,46,48,49,50,54,56,58,60 ,64 66,68,69,70 up to so on
114 through 126 are all composite.
There is no largest composite number. Nor is there a largest sequence of consecutive composite numbers - those sequences can become arbitrarily long.