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Search: Posts Made By: kar_bon
Forum: Open Projects 2019-04-04, 10:01
Replies: 55
Views: 33,564
Posted By kar_bon
4*5^n-1 completed to n=1M and releasing - no...

4*5^n-1 completed to n=1M and releasing
- no more primes found
- OEIS / Wiki updated
- S.Harvey informed
Forum: Open Projects 2019-02-25, 15:32
Replies: 55
Views: 33,564
Posted By kar_bon
4*5^864751-1...

4*5^864751-1 ('https://primes.utm.edu/primes/page.php?id=126245') is prime: 604436 decimal digits.

I've not updated the OEIS seq with the last two primes, will do after reaching n=1M.
Forum: Open Projects 2019-01-28, 09:23
Replies: 55
Views: 33,564
Posted By kar_bon
4*5^754611-1...

4*5^754611-1 ('https://primes.utm.edu/primes/page.php?id=125947') is prime: 527452 decimal digits.
Forum: Open Projects 2019-01-17, 09:21
Replies: 55
Views: 33,564
Posted By kar_bon
Found: 4*5^498483-1 is prime! (348426 decimal...

Found:
4*5^498483-1 is prime! (348426 decimal digits)
4*5^504221-1 is prime! (352436 decimal digits)

Currently at n=695k, OEIS updated.
Forum: Open Projects 2018-12-15, 20:30
Replies: 55
Views: 33,564
Posted By kar_bon
Yes, overviewd this button on the bottom but got...

Yes, overviewd this button on the bottom but got a mail after 7 days without doing so.
Forum: Open Projects 2018-12-15, 10:45
Replies: 55
Views: 33,564
Posted By kar_bon
Edits confirmed and I've checked the whole range...

Edits confirmed and I've checked the whole range again, continuing.
Forum: Open Projects 2018-12-07, 08:32
Replies: 55
Views: 33,564
Posted By kar_bon
4*5^282989-1 is prime! (197802 decimal digits),...

4*5^282989-1 is prime! (197802 decimal digits), A046865 ('https://oeis.org/A046865') changed, continuing.
Showing results 1 to 7 of 7

 
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