Information as of 2020-05-19: Data for Riesel 600<k<800 online.

**Done**history entries/primes for**Riesel primes 300<k<800**(Sources see here)**Done**history entries/primes for**Riesel primes 4000<k<4200**(Sources see here)**Done**history entries for**Riesel primes k<300**(Sources see here)**Please check your reservations here****.**

# Revision history of "Williams prime PM least"

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