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Old 2020-09-10, 03:14   #210
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Also, Williams primes PP 327 (328*327^n+1) is checked to 300K, see post https://www.mersenneforum.org/showpo...postcount=2116
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Old 2020-09-14, 04:19   #211
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Post Williams Primes base 3

I created a page for 10*3^n+1 so that Williams PP9 primes could be reused from there.

There are also two new entries for these form of primes found by Ryan. They are included in the 10*3^n+1 page. I don't know if he is searching only even n values (Williams Primes) or odd n values as well.

Thanks, I've corrected/extended those pages a little.

Last fiddled with by kar_bon on 2020-09-14 at 07:32 Reason: answer
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Old 2020-10-02, 15:35   #212
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9*926^n-1 at 200K, see post https://mersenneforum.org/showpost.p...postcount=3726
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Old 2020-10-15, 21:28   #213
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Recent status updating:

4*155^n+1 at 1.265M (https://mersenneforum.org/showpost.p...&postcount=843)

12*354^n+1 at 300K (https://mersenneforum.org/showpost.p...postcount=2165)

6*894^n-1 at 300K (https://mersenneforum.org/showpost.p...postcount=3730)

3*588^n-1 at 500K (https://mersenneforum.org/showpost.p...postcount=3733)

Last fiddled with by sweety439 on 2020-10-15 at 21:31
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Old 2020-10-18, 09:00   #214
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80*81^5394+1, the second Williams MP prime base 81 (the first is 80*81^1+1)

Done for 80*3^n+1 instead.

Last fiddled with by kar_bon on 2020-10-19 at 15:03 Reason: done
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Old 2020-10-20, 14:11   #215
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4*230^n+1 at n=1M with no prime found
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Old 2020-10-23, 19:43   #216
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2*383^n+1 at n=1M with no prime found
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Old 2020-10-24, 14:19   #217
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9*830^n-1 at n=300K with no prime found
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Old 2020-11-01, 05:40   #218
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12*753^n+1 at n=300K with no prime found
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Old 2020-11-01, 05:44   #219
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New prime for Williams primes MM 10: 9*10^1762063-1, see https://stdkmd.net/nrr/8/89999.htm

Done

Last fiddled with by kar_bon on 2020-11-02 at 13:45 Reason: done
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Old 2020-11-01, 05:50   #220
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Also, you can create page "Generalized Riesel prime 10 99" and "Generalized Proth prime 10 99" to make lists for "Williams prime MM 100" and "Williams primes MP 100"

Also, you can reuse the "Riesel prime 255", "Riesel prime 511", "Riesel prime 1023", and "Riesel prime 2047" for "Williams prime MM 256", "Williams prime MM 512", "Williams prime MM 1024", and "Williams prime MM 2048", currently, all power-of-2 bases for the other three types of Williams primes are in the list, but for the "MM" type, only power-of-2 bases <= 128 are currently in the list.

Last fiddled with by sweety439 on 2020-11-01 at 05:53
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