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Old 2019-11-30, 06:42   #34
sweety439
 
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Quote:
Originally Posted by sweety439 View Post
A (probable) prime was found:

(13998*40^12381+29)/13

Written in base 40, this number is Qa{U12380}X

This number is likely the second-largest "base 40 minimal prime"
Another probable prime is (13998*40^13474+29)/13, but this is not minimal prime in base 40
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Old 2019-12-07, 08:39   #35
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Base 36:

O{L}Z (4428*36^n+67)/5: tested to n=50K, no (probable) prime found
{P}SZ (6480*36^n+821)/7: currently at n=41566, no (probable) prime found

Base 40:

S{Q}d (86*40^n+37)/3: currently at n=59777, no (probable) prime found
Base 36 {P}SZ (6480*36^n+821)/7 tested to n=50K, no (probable) prime found.

Result file attached.
Attached Files
File Type: txt base 36 {P}SZ family 8K-50K status.txt (271.6 KB, 33 views)
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Old 2019-12-07, 08:42   #36
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Base 40:

S{Q}d (86*40^n+37)/3: currently at n=87437, no (probable) prime found
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