is 275883-1
has 22,844 decimal digits
takes 0.000 GHz-days to do one L-L test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26321.032673.0159%100,000,00012,720,901,946,4061,471.337728.5736%1,492.3703101.5895%44.0895%
PrimeNet2400.000057.5000%80011,0000.00006.0994%0.000063.5994%6.0994%
GPU722440.000061.3636%50010,0000.00002.2967%0.000063.6603%2.2967%
Difference+19+21.0326+11.6522%+99,999,500+12,720,901,936,406+1,471.3377+26.2769%+1,492.3702+37.9291%+37.9291%

Known prime factors (2 factors, 205.8 bits, 0.27127250% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
7588346499097162160568534311192581.94330638678730519726773
17 × 2999 × 600958726056131
2,9996.00959e+142014-04-2311,808,21169,499129,805
758831992934998440383375474904193480889056738123.906131316302626436973727640195661801
3 × 13 × 3709 × 2838067 × 67313087 × 4751984922119
67,313,0874.75198e+122017-01-292.212e+12549.691,026.4

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
7588392669678130349707692414144072471747060387541234220
279743354473
62205.850
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-05-06T00:00:00ANONYMOUSv4_computers100,00010,000,000---0.001--3.618%
2001-08-18T00:00:00Alex Kruppav4_computers1,000,000100,000,000---0.014--7.578%
2002-06-09T00:00:00ANONYMOUSv4_computers32,7683,276,800---0.000--2.171%
2002-07-20T00:00:00ANONYMOUSv4_computers65,5366,553,600---0.001--3.029%
2003-02-02T00:00:00ANONYMOUSv4_computers131,07213,107,200---0.002--4.020%
2003-03-27T00:00:00ANONYMOUSv4_computers262,14426,214,400---0.004--5.130%
2003-05-04T00:00:00ANONYMOUSv4_computers1,048,576104,857,600---0.014--7.671%
2003-06-09T00:00:00ANONYMOUSv4_computers2,097,152209,715,200---0.028--9.075%
2003-08-25T00:00:00ANONYMOUSv4_computers4,194,304419,430,400---0.057--10.536%
2003-11-16T00:00:00ANONYMOUSv4_computers8,388,608838,860,800---0.114--12.032%
2003-12-13T00:00:00ANONYMOUSv4_computers16,777,2161,677,721,600---0.228--13.548%
2016-12-09T00:16:10kkmrkkblmbrbkManual testing100,000,0002,000,000,00012---0.432--14.710%
2017-01-29T06:16:17kkmrkkblmbrbkManual testing100,000,00012,720,901,946,40638123.9061,4710.0002,94328.574%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-10-21T00:00:00ANONYMOUSv4_computers252253--0.008--
2000-04-05T00:00:00ANONYMOUSv4_computers?254--0.032--
2000-11-25T00:00:00ANONYMOUSv4_computers?256--0.127--
2002-10-07T00:00:00ANONYMOUSv4_computers?257--0.253--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
11,0001,100,000300.010
50,0005,000,0002740.418
250,00025,000,0005854.467
1,000,000100,000,0002106.414


Lucas-Lehmer results:
Exponent "75883" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T20:25:42Oliver KruseOliver-PC
4649909716216056853431119
19929349984403833754749041934808890567
8193EC9FFDB6CFB8no
2017-09-21T20:28:36Oliver KruseManual testing
4649909716216056853431119
19929349984403833754749041934808890567
8193EC9FFDB6CFB8no
2017-10-02T18:00:15kkmrkkblmbrbkManual testing
4649909716216056853431119
19929349984403833754749041934808890567
8193EC9FFDB6CF__no
2017-12-07T03:42:35ATHxps
4649909716216056853431119
19929349984403833754749041934808890567
8193EC9FFDB6CF__no
2020-04-17T15:14:38Oliver KruseAddPrpType5
4649909716216056853431119
19929349984403833754749041934808890567
0881ED3C9A5166__no


P-1 factor-bounds graph:
B1 = 100,000,000, B2 = 12,720,901,946,406 (stage 2)
B1 = 100,000,000, B2 = 2,000,000,000 (stage 2)
B1 = 16,777,216, B2 = 1,677,721,600 (stage 2)
B1 = 100,000,000 (stage 1)
B1 = 8,388,608, B2 = 838,860,800 (stage 2)
B1 = 4,194,304, B2 = 419,430,400 (stage 2)
B1 = 16,777,216 (stage 1)
B1 = 2,097,152, B2 = 209,715,200 (stage 2)
B1 = 8,388,608 (stage 1)
B1 = 1,048,576, B2 = 104,857,600 (stage 2)
B1 = 1,000,000, B2 = 100,000,000 (stage 2)
B1 = 4,194,304 (stage 1)
B1 = 2,097,152 (stage 1)
B1 = 262,144, B2 = 26,214,400 (stage 2)
B1 = 1,048,576 (stage 1)
B1 = 1,000,000 (stage 1)
B1 = 131,072, B2 = 13,107,200 (stage 2)
B1 = 100,000, B2 = 10,000,000 (stage 2)
B1 = 65,536, B2 = 6,553,600 (stage 2)
B1 = 262,144 (stage 1)
B1 = 32,768, B2 = 3,276,800 (stage 2)
B1 = 131,072 (stage 1)
B1 = 100,000 (stage 1)
B1 = 65,536 (stage 1)
B1 = 32,768 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-04-17T15:14:38+00:00