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106² minus its prime factors squared (53² - 2²) is prime. [Sladcik]

106^106-105^105 is prime. [Dobb]

The first occurence of over 100 successive non-semiprimes (5238280947-5238281052). [Luhn]

The smallest multidigit invertible semiprime. Note that it ends with the smallest single-digit invertible semiprime. [Capelle]