is 2 105778901 - 1
has 31842623 decimal digits
takes 433.840 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
Actual276144.679164.4737%5500000550000032.70863.1974%177.387767.6711%5.1711%
PrimeNet2729.040962.5000%450000220000009.65865.4007%18.699467.9007%5.4007%
GPU72276144.679164.4737%7000002400000011.71233.9692%156.391468.4429%3.9692%
Difference---+4800000-18500000+20.9962-0.7718%+20.9962-0.7718%-0.7718%

Known prime factors (1 factor, 93.6 bits, 0.00008846% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
105778901147088421958691220890914168072993.57169526351932268241703
3 × 7 × 112 × 271 × 648283 × 155743831
6482831557438312021-03-0631,289,93354.10894.250

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-03-06T18:36:50S00030Manual testing550000055000002993.57132.71867.765.423.197%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-24T07:01:00JohnPintoPPIchuck2263264--0.019--
2010-09-02T04:25:00Donna NoblePH9500264265--0.035--
2012-05-13T15:17:00omiXorpLLB16-T5500-19265266--0.071--
2013-09-05T20:38:00Cow_tippingManual testing266267--0.141--
2014-10-20T07:42:00g0bManual testing267268--0.283--
2014-10-21T15:33:00Red RavenManual testing268269--0.565--
2014-10-23T02:14:00Red RavenManual testing269270--1.130--
2014-10-29T10:05:00SADMASTERSHERZ_NAZ270271--2.261--
2015-01-09T19:15:00shaugeManual testing271272--4.521--
2020-02-20T11:24:05el groccoManual testing272273--9.043--
2020-04-03T12:03:52RichD0Manual testing273274--18.09--
2021-03-02T13:46:02-Anonymous-274275--36.17--
2021-03-03T03:54:02RichD0GPU72_TF275276--72.34--


ECM factoring results:
Exponent "105778901" not found


Lucas-Lehmer results:
Exponent "105778901" not found


PRP results:
Exponent "105778901" not found


P-1 factor-bounds graph:
B1 = 5500000 (stage 1)
104
105
106
107
104
105
106
107
108
109
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
264
250
260
270
280
290
2100
Last modified: 2021-03-06T18:36:50+00:00