Semiprimes up to 31

Semiprimes: Semiprime is a natural number that is the product of two prime numbers.

There is 10 semiprimes smaller than 31.

Checkout semiprimes up to: 100, 500, 1000, 10000.

4, 6, 9, 10, 14, 15, 21, 22, 25, 26

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