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Message 11443 - Posted: 7 Feb 2026, 7:12:12 UTC

R1027 tested to n=300k (250-300k)

3 primes found, 29 remain

20214*1027^254755-1 found by Sightus@CAU
13854*1027^257905-1 found by SkyHighWeFly
12356*1027^270823-1 found by SriNithin (TOP5000)

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Message 11459 - Posted: 9 Feb 2026, 9:04:51 UTC

R616 tested to n=300k (100-300k)

8 primes found, 18 remain (+2 duplicate k-values are prime)

23078*616^101812-1 found by Sightus@CAU
16388*616^105048-1 found by Carl-Theodor Geilhufe
16625*616^113108-1 found by vaughan
16388*616^146359-1 found by Drago75
7649*616^162685-1 found by Partygott
19248*616^174806-1 found by vaughan
20693*616^236912-1 found by Majo2096
5742*616^248688-1 found by Sightus@CAU
7289*616^261232-1 found by Sightus@CAU
16388*616^265880-1 found by Science United

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Message 11462 - Posted: 15 Feb 2026, 10:12:21 UTC

S945 tested to n=500k (400-500k)

nothing found, 3 remain

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Message 11467 - Posted: 16 Feb 2026, 8:32:25 UTC

S418 tested to n=300k (100-300k)

5 primes found, 23 remain

3073*418^105094+1 found by Majo2096
1533*418^125132+1 found by vaughan
1516*418^134753+1 found by Sightus@CAU
3364*418^136851+1 found by Sightus@CAU
7552*418^137546+1 found by Drago75

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Message 11470 - Posted: 16 Feb 2026, 22:39:20 UTC

R878 tested to n=300k (100-300k)

5 primes found, 31 remain (+1 duplicate k-value is prime)

6*878^118309-1 found by Science United
207*878^142716-1 found by Sightus@CAU
200*878^154828-1 found by Sightus@CAU
149*878^244400-1 found by Odicin
213*878^271662-1 found by Science United
6*878^281137-1 found by Sightus@CAU (TOP5000)

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Message 11471 - Posted: 18 Feb 2026, 23:28:34 UTC

S922 tested to n=500k (400-500k)

nothing found, 3 remain

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Message 11472 - Posted: 19 Feb 2026, 9:25:08 UTC

S490 tested to n=300k (100-300k)

9 primes found, 20 remain (+3 duplicate k-values are prime)

12246*490^100207+1 found by Sightus@CAU
363*490^106520+1 found by entity
3013*490^123588+1 found by Sightus@CAU
3657*490^126400+1 found by entity
13485*490^133834+1 found by Ralfy
12246*490^141207+1 found by Sightus@CAU
3657*490^148528+1 found by entity
363*490^151951+1 found by Science United
2610*490^188085+1 found by Sightus@CAU
9169*490^213708+1 found by entity
5017*490^238856+1 found by Science United
6085*490^254150+1 found by Sightus@CAU

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Message 11473 - Posted: 19 Feb 2026, 11:53:21 UTC

S942 tested to n=500k (400-500k)

nothing found, 3 remain

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Message 11477 - Posted: 23 Feb 2026, 16:26:09 UTC

R548 tested to n=800k (600-800k)

nothing found, 1 remain

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Message 11478 - Posted: 23 Feb 2026, 20:00:53 UTC

R187 tested to n=1M (800k-1M)

nothing found, 1 remain

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Message 11480 - Posted: 24 Feb 2026, 6:55:58 UTC

S947 tested to n=500k (400-500k)

nothing found, 3 remain

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Message 11484 - Posted: 25 Feb 2026, 22:53:02 UTC

NPLB 2.7-2.75M done, 9 primes found, no more ranges are planned

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Message 11491 - Posted: 27 Feb 2026, 7:52:51 UTC

R533 tested to n=800k (600-800k)

nothing found, 1 remain

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Message 11506 - Posted: 6 Mar 2026, 7:50:20 UTC

R952 tested to n=300k (100-300k)

5 primes found, 29 remain

3978*952^117770-1 found by marmot
2844*952^122781-1 found by DukeBox
947*952^227416-1 found by happy5214
4176*952^233695-1 found by Jeff_Wright
2469*952^295968-1 found by grcpool.5 (TOP5000)

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Message 11513 - Posted: 12 Mar 2026, 7:55:15 UTC

S93 tested to n=500k (400-500k)

3 primes found, 49 remain

866*93^418989+1 found by Dukebox
22728*93^440779+1 found by Sightus@CAU (TOP5000)
20916*93^455900+1 found by Sightus@CAU (TOP5000)

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Message 11514 - Posted: 12 Mar 2026, 8:30:11 UTC

S591 tested to n=300k (100-300k)

7 primes found, 26 remain (+1 duplicate k-value is prime)

15726*591^119712+1 found by Science United
11036*591^132505+1 found by Science United
12026*591^143930+1 found by Dukebox
3582*591^144319+1 found by dadocad72
11036*591^194533+1 found by Sightus@CAU
12926*591^253824+1 found by vanos0512
2552*591^263127+1 found by Dukebox
12988*591^265428+1 found by grcpool.5

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Message 11515 - Posted: 12 Mar 2026, 9:00:39 UTC

R962 tested to n=500k (400-500k)

nothing found, 6 remain

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Message 11516 - Posted: 12 Mar 2026, 9:06:41 UTC

R549 tested to n=800k (600-800k)

nothing found, 1 remain

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Message 11521 - Posted: 14 Mar 2026, 17:04:57 UTC

S97 tested to n=500k (400-500k)

3 primes found, 60 remain

12916*97^400928+1 found by cineon_lut [BlackOps]
8952*97^409907+1 found by DukeBox
6196*97^410380+1 found by DukeBox

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Message 11523 - Posted: 16 Mar 2026, 11:12:54 UTC

R720 tested to n=500k (300-500k)

nothing found, 3 remain

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