Thread: Other Primes
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Old 2019-05-31, 10:21   #193
rudy235's Avatar
Jun 2015
Vallejo, CA/.

94910 Posts

A new Cunningham Chain of the 2nd kind was published a few days ago.

Congratulations to Serge Batalov on the record. (2p+1)

556336461 · 2211356 - 1 with 63634 Digits HERE

The previous record had 52726 digits.
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