is 2 105868097 - 1
has 31869473 decimal digits
takes 434.206 GHz-days to do one PRP 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
Actual277289.116064.9351%8350001670000010.10623.4356%299.222268.3707%5.8707%
PrimeNet2729.033362.5000%450000220000009.65865.4012%18.691867.9012%5.4012%
GPU72276144.557264.4737%7000002400000011.71233.9696%156.269568.4433%3.9696%
Difference+1+144.5589+0.4614%+135000-7300000-1.6062-0.5340%+142.9527-0.0727%-0.0727%

Known prime factors (1 factor, 99.6 bits, 0.00009412% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1058680979931918307615438061925880976013099.6484690704087944188730400
25 × 3 × 52 × 41 × 47701 × 56041 × 17832391
56041178323912020-08-201.291e+96.093010.791

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-08-20T13:32:12bayanneBasta8350001670000063099.64810.11868.420.213.436%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-21T13:51:00zygC7B2E83D4263264--0.019--
2010-09-03T04:37:00ramgeiskivalzs264265--0.035--
2012-05-14T02:38:00omiXorpLLB16-T5500-08265266--0.071--
2013-09-05T00:27:00Preben SManual testing266267--0.141--
2013-09-06T05:12:00Preben SManual testing267268--0.282--
2013-09-06T09:04:00Preben SManual testing268269--0.565--
2013-09-07T03:16:00Preben SManual testing269270--1.129--
2013-09-16T17:38:00processinfoManual testing270271--2.259--
2015-01-31T11:44:00Preben SManual testing271272--4.517--
2020-01-15T22:19:45David HruskaManual testing272273--9.035--
2020-02-24T08:26:56Hans LoeblichManual testing273274--18.07--
2020-02-29T23:18:07LaurVManual testing274275--36.14--
2020-05-03T17:07:46TheJudgerManual testing275276--72.28--
2020-05-03T17:07:46TheJudgerManual testing276277--144.6--


ECM factoring results:
Exponent "105868097" not found


Lucas-Lehmer results:
Exponent "105868097" not found


PRP results:
Exponent "105868097" not found


P-1 factor-bounds graph:
B1 = 835000, B2 = 16700000 (stage 2)
B1 = 835000 (stage 1)
103
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105
106
103
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105
106
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108
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
264
250
260
270
280
290
2100
Last modified: 2020-08-20T13:32:12+00:00