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Old 2010-04-25, 09:59   #628
gd_barnes
 
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That last post with primes is nearly a month old now and I keep editing it when new ones are found so here is a new post with some primes:

2649*2^555208-1 is prime
2149*2^555617-1 is prime
2079*2^555768-1 is prime
2057*2^556116-1 is prime
2547*2^556368-1 is confirmed prime
2111*2^556686-1 is prime
2775*2^557490-1 is confirmed prime
2833*2^557563-1 is prime
2767*2^558289-1 is prime
2355*2^558309-1 is confirmed prime
2151*2^558397-1 is confirmed prime
2907*2^558733-1 is prime
2453*2^558746-1 is prime
2505*2^558870-1 is confirmed prime
2105*2^559022-1 is prime
2001*2^559078-1 is prime
2411*2^559110-1 is prime
2431*2^559669-1 is prime
2401*2^559953-1 is prime

Last fiddled with by gd_barnes on 2010-05-19 at 15:33 Reason: add primes
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Old 2010-05-26, 06:15   #629
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2165*2^560056-1 is prime
2409*2^561349-1 is prime
2237*2^562482-1 is prime
2719*2^562833-1 is prime
2987*2^563512-1 is prime
2019*2^563665-1 is prime
2571*2^563829-1 is prime
2077*2^565273-1 is prime
2795*2^565428-1 is prime
2073*2^566123-1 is confirmed prime
2301*2^566454-1 is prime
2221*2^566553-1 is prime
2163*2^566836-1 is prime
2925*2^567219-1 is confirmed prime
2595*2^569359-1 is prime
2721*2^569693-1 is prime
2759*2^569812-1 is confirmed prime
2897*2^569842-1 is prime
2723*2^569998-1 is prime

Last fiddled with by gd_barnes on 2010-06-28 at 21:00 Reason: add primes
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Old 2010-06-29, 11:39   #630
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2413*2^570179-1 is prime
2817*2^570634-1 is prime
2327*2^570758-1 is prime
2955*2^570821-1 is confirmed prime
2499*2^571324-1 is prime
2271*2^571385-1 is prime
2915*2^571514-1 is prime
2307*2^571634-1 is prime
2019*2^572257-1 is prime
2515*2^572797-1 is prime
2635*2^572985-1 is prime
2723*2^573046-1 is prime
2747*2^573904-1 is prime
2505*2^574175-1 is confirmed prime
2637*2^574338-1 is prime
2337*2^574800-1 is prime
2793*2^575607-1 is prime
2405*2^575910-1 is prime
2385*2^576332-1 is prime
2995*2^576371-1 is prime
2917*2^577397-1 is prime
2147*2^577636-1 is prime
2483*2^577820-1 is prime
2827*2^577853-1 is prime
2849*2^578044-1 is prime
2357*2^578084-1 is prime
2645*2^578402-1 is prime
2097*2^578469-1 is prime
2761*2^578827-1 is prime
2369*2^578860-1 is prime
2715*2^578940-1 is confirmed prime
2447*2^579360-1 is prime
2879*2^579400-1 is prime

Last fiddled with by gd_barnes on 2010-07-30 at 16:57 Reason: add primes
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Old 2010-08-01, 15:17   #631
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2135*2^580138-1 is prime
2185*2^580861-1 is confirmed prime
2271*2^580885-1 is prime
2331*2^581229-1 is prime
2785*2^581561-1 is prime
2199*2^582592-1 is confirmed prime
2931*2^584103-1 is confirmed prime
2243*2^584166-1 is prime
2495*2^584846-1 is prime
2299*2^584953-1 is prime
2639*2^585240-1 is prime
2289*2^586231-1 is prime
2925*2^586347-1 is confirmed prime
2133*2^587130-1 is prime
2057*2^587534-1 is prime
2103*2^588480-1 is prime (reported by Max because I lost a bet; I'll get him next time!) :-)
2255*2^589070-1 is prime
2723*2^589114-1 is prime
2607*2^589436-1 is prime
2245*2^589993-1 is prime

Last fiddled with by gd_barnes on 2010-09-26 at 08:28 Reason: add primes
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Old 2010-09-28, 08:23   #632
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Now at n>590K on the 11th drive, it's time for a new post...

2043*2^590452-1 is prime
2961*2^590667-1 is prime
2653*2^590795-1 is prime
2907*2^590941-1 is prime
2995*2^591403-1 is prime
2547*2^591536-1 is confirmed prime
2459*2^591568-1 is prime
2015*2^591572-1 is prime
2271*2^591799-1 is prime
2871*2^591877-1 is prime
2583*2^592368-1 is prime
2007*2^592478-1 is prime
2961*2^593077-1 is prime
2627*2^593082-1 is prime
2749*2^593337-1 is prime
2611*2^593911-1 is prime
2165*2^594396-1 is prime
2467*2^594653-1 is prime
2253*2^595243-1 is prime
2515*2^595341-1 is prime
2289*2^595593-1 is prime
2247*2^595761-1 is prime
2677*2^596913-1 is prime
2091*2^597594-1 is prime
2897*2^597932-1 is prime
2523*2^598372-1 is prime
2607*2^599529-1 is prime
2413*2^599615-1 is prime

Last fiddled with by gd_barnes on 2010-11-17 at 20:36 Reason: add primes
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Old 2010-11-30, 05:02   #633
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1995*2^671907-1 is prime
1649*2^672200-1 is prime
1631*2^672546-1 is prime
1617*2^672548-1 is prime
1815*2^673335-1 is confirmed prime
1585*2^674467-1 is confirmed prime
1915*2^674897-1 is prime
1491*2^675255-1 is prime
1455*2^676138-1 is confirmed prime
1967*2^678156-1 is prime

Last fiddled with by gd_barnes on 2010-12-17 at 04:36 Reason: add primes
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Old 2010-12-02, 11:34   #634
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2 primes were just found 1 minute apart on 2 different machines, k=14 apart, and n=2 apart at n>670K. See the last posting.

Very amazing!
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Old 2010-12-20, 22:09   #635
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1445*2^680194-1 is prime
1997*2^680208-1 is prime
1475*2^681048-1 is prime
1539*2^681392-1 is prime
1451*2^681810-1 is prime
1977*2^682144-1 is confirmed prime

Last fiddled with by gd_barnes on 2011-02-11 at 07:18 Reason: add primes
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Old 2011-02-11, 07:18   #636
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1833*2^684199-1 is prime
1887*2^684225-1 is prime
1443*2^684500-1 is prime
1743*2^684674-1 is prime

Last fiddled with by gd_barnes on 2011-02-13 at 08:30 Reason: add primes
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Old 2011-02-27, 16:27   #637
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1547*2^685914-1 is prime.
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Old 2011-03-03, 19:28   #638
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1575*2^686537-1 is confirmed prime.
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