Naturals below 98 with exactly 2 divisors
first 25 naturals with exactly 2 divisors
Marginal: ints 2 to 98 with just 2 divisors
("ints" is only vaguely English; "just" is fine here, but debatable if you don't exclude 1.)
Also marginal: "numbers" instead of "naturals". Less precise, but there's only one sensible interpretation.
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