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**devami** We have an infinite number of apples. Spread them on an infinite set of identical number of groups.In each group of 5 apples.Now from each group to take out 2 apples. It remains to 3.

The remainder of the set split into an infinite set of groups.In each group, and 7 apples. Now take out for 2 apples. It remains for 5 apples.

The remainder of the set split into an infinite set of groups.In each group, and 11 apples. Now take out for 2 apples. It remains for 9 apples.

And so on indefinitely. Seizure 2 / n. Save n-2 / n. N-primes in order.Question: how many apples will be left? Finite or infinite?