Integers are whole numbers. They are either positive or negative
Even numbers are numbers that are completely divisible by 2 without a remainder.
Even numbers could be 2, 4, 6, 8, 10. the list goes on
If 2n is the largest even integer in the given sequence, then the lesser consecutive even integers would be
2n - 2
2n - 2 - 2 = 2n - 4
Three consecutive even integers of which the largest is 2n are
2n - 4, 2n - 2, 2n