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Old 2017-03-24, 08:28   #518
Thomas11
 
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1480-1500 complete (one prime: 2445*2^1495063-1).
Taking 1500-1530.
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Old 2017-05-02, 07:31   #519
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1500-1530 complete (one prime: 2295*2^1517247-1).
Taking 1536-1550.
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Old 2017-05-28, 08:03   #520
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1536-1550 complete (no primes).
Taking 1550-1575.
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Old 2017-07-16, 15:22   #521
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81*2^3174353-1

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1452-1456k complete no primes. Reserving 1575-1585
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Old 2017-07-20, 10:38   #522
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1550-1575 complete (two primes, already reported).
Taking 1585-1600.
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Old 2017-07-26, 21:20   #523
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81*2^3174353-1

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1575-1585 complete, 2955*2^1582609-1 is prime.

1448-1552 soon to be done.
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Old 2017-08-02, 15:16   #524
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81*2^3174353-1

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1448-1452 complete, 1 prime: 2745*2^1449470-1
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Old 2017-12-04, 08:55   #525
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1585-1600 complete, no primes.

Taking 1600-1700.
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Old 2017-12-04, 15:12   #526
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Taking 1700-1720.
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Old 2018-03-12, 20:18   #527
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90% done with 1700-1720.
Taking 1720-1725.
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Old 2018-04-04, 10:54   #528
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1600-1700 complete, 4 primes (already reported).

Taking 1725-1800.
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