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base R42 Megaprime
Uwe-Bergstedt, a member of the team SETI.Germany found a megaprime for base R42.
The prime 13347*42^732816-1 has 1.189.548 digits and entered the T5k PrimePages.
8 Nov 2026, 22:16:49 UTC
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base S579 Megaprime and proven!
Sightus@CAU, a member of the team Planet 3DNow! found a megaprime for base S579.
The prime 6*579^725792+1 has 2.005.131 digits and entered the T5k PrimePages.
The base S579 has been proven!
This is the first find of the year
30 Oct 2026, 7:55:53 UTC
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cable provider down
As some of you may have already noticed, the site was unavailable for more than a day.
This outage was widespread and marks the second such occurrence this year.
We have extended the grace period to 72 hours to compensate for this downtime.
Please do not cancel any tasks for which the deadline has already passed; these should still be validated. If you encounter any issues, please let us know.
We apologize for the inconvenience.
29 Oct 2026, 12:57:13 UTC
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base S60 Megaprime
Sightus@CAU, a member of the team Planet 3DNow! found a megaprime for base S60.
The prime 853*60^613855+1 has 1.091.530 digits and entered the T5k PrimePages.
21 Oct 2026, 6:49:33 UTC
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base R235 Megaprime
vaughan, a member of the team BOINC@AUSTRALIA found a megaprime for base R235.
The prime 3788*235^455521-1 has 1.080.075 digits and entered the T5k PrimePages.
11 Oct 2026, 14:16:30 UTC
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