is 2 105789517 - 1
has 31845818 decimal digits
takes 433.884 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
Actual276144.664664.4737%5500000550000032.70863.1974%177.373167.6711%5.1711%
PrimeNet2729.040062.5000%450000220000009.65865.4007%18.698567.9007%5.4007%
GPU72276144.664664.4737%7000002400000011.71233.9693%156.376968.4430%3.9693%
Difference---+4800000-18500000+20.9962-0.7719%+20.9962-0.7719%-0.7719%

Known prime factors (1 factor, 87.1 bits, 0.00008233% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1057895171655810401193225170454607772787.098782596635351508964
22 × 72 × 2549 × 147227 × 10639583
147227106395832021-03-12364,5104.27526.4386

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-03-12T01:33:30S00030Manual testing550000055000002787.09832.71867.865.423.197%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2009-01-14T00:00:00Sturle Sundev4_computers257260--0.001--
2009-01-14T00:00:00Sturle Sundev4_computers260261--0.001--
2010-04-21T10:48:00James Heinrichmum2800263264--0.019--
2010-09-02T06:25:00Donna NobleATH2-630-temp264265--0.035--
2012-05-15T05:43:00omiXorpLLB03-z800-14265266--0.071--
2013-09-10T21:37:00ITSCP_-_xpr-mstolfe266267--0.141--
2014-10-20T07:42:00g0bManual testing267268--0.283--
2014-10-21T22:58:00MarstonMarston_PC268269--0.565--
2014-10-23T03:14:00arnaudsrv-620269270--1.130--
2014-10-26T01:14:00CSLatDDikenny-24270271--2.260--
2015-01-10T13:38:00Preben SManual testing271272--4.521--
2020-02-20T11:23:56el groccoManual testing272273--9.042--
2020-03-29T16:54:02BytesInFlamesGPU72_TF273274--18.08--
2021-02-28T19:54:01RichD0GPU72_TF274275--36.17--
2021-02-28T20:48:02RichD0GPU72_TF275276--72.33--


ECM factoring results:
Exponent "105789517" not found


Lucas-Lehmer results:
Exponent "105789517" not found


PRP results:
Exponent "105789517" not found


P-1 factor-bounds graph:
B1 = 5500000 (stage 1)
104
105
106
107
104
105
106
107
108
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
264
261
260
250
260
270
280
290
2100
Last modified: 2021-03-12T01:33:30+00:00