is 2 105373819 - 1
has 31720681 decimal digits
takes 432.179 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276145.235364.4737%8830008830005.25121.6421%150.486565.0571%0.5834%
PrimeNet2729.075662.5000%450000220000009.65865.3982%18.734264.5243%2.0243%
GPU72276145.235364.4737%6500002400000011.43123.9287%156.666465.8694%1.3957%
Difference---+233000-23117000-6.1800-2.2866%-6.1800-0.8123%-0.8123%

Known prime factors (1 factor, 129.5 bits, 0.00012286% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10537381993564719551927404204830528304304167595339129.4594439656854039208933142611463304
23 × 32 × 7 × 17 × 47 × 157 × 4093 × 12073 × 35311 × 83101 × 484283
2021-08-04831014842831.672e+90.62421.0058

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-08-04T13:06:31Ben Deloi-0cfc82f346c17015888300088300039129.4595.251864.410.501.642%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-21T21:22:00garonorth263264--0.019--
2010-08-31T14:41:00James Hintzryan264265--0.035--
2012-05-13T02:23:00omiXorpLLB16-T5500-15265266--0.071--
2013-09-03T14:47:00Cow_tippingManual testing266267--0.142--
2013-09-05T20:33:00Cow_tippingManual testing267268--0.284--
2013-09-07T10:59:00Cow_tippingManual testing268269--0.567--
2013-09-18T13:53:00processinfoManual testing269270--1.135--
2014-05-07T19:15:00Andreas_TruetschManual testing270271--2.269--
2015-01-04T01:54:00SWL551Manual testing271272--4.539--
2020-03-22T08:54:32Jan S.Manual testing272273--9.077--
2020-04-03T05:41:04SRBaseManual testing273274--18.15--
2021-03-28T21:10:42TheJudgerManual testing274275--36.31--
2021-03-28T21:10:43TheJudgerManual testing275276--72.62--


ECM factoring results:
Exponent "105373819" not found


Lucas-Lehmer results:
Exponent "105373819" not found


PRP results:
Exponent "105373819" not found


P-1 factor-bounds graph:
B1 = 883000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
276
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274
273
272
271
270
269
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2100
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Last modified: 2021-08-04T13:06:31+00:00