is 2 115390073 - 1
has 34735874 decimal digits
takes 532.878 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual277265.258264.9351%508000137220008.22253.1197%273.480766.0290%
Target276132.628364.4737%7000002600000013.91744.0712%146.545865.9200%
Difference+1+132.6299+0.4614%-192000-12278000-5.6950-0.9516%+126.9349+0.1089%

Known prime factors (1 factor, 86.2 bits, 0.00007471% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
115390073895935430965736579299926812686.212388220324189298580
22 × 5 × 7 × 613 × 83431 × 54220349		2022-05-138343154220349255,16420.30936.945

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-13Sturle Sundeginger50800013722000122686.2128.2221,06616.443.120%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-08BattlemaxxMaxx_mom263264--0.017--
2010-10-05Donna NobleQ6600v2264265--0.032--
2012-06-26Richard172.26.176.16265266--0.065--
2014-11-26sasaki3HOME266267--0.130--
2015-03-22SMoffatManual testing267268--0.259--
2015-04-07La GüiraManual testing268269--0.518--
2015-04-07La GüiraManual testing269270--1.036--
2015-04-09endless_mikeManual testing270271--2.072--
2015-04-09endless_mikeManual testing271272--4.145--
2020-04-24SRBaseManual testing272273--8.289--
2020-11-03buteraGPU72_TF273274--16.58--
2021-06-02TheJudgerManual testing274275--33.16--
2021-06-02TheJudgerManual testing275276--66.31--
2022-04-18TheJudgerManual testing276277--132.6--


ECM factoring results:
No ECM results for M115390073


Lucas-Lehmer results:
No L-L results for M115390073


PRP results:
No PRP results for M115390073


P-1 factor-bounds graph:
B1 = 508000, B2 = 13722000 (P-1 stage 2)
B1 = 508000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67.7
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Last modified: 2023-03-22T19:15:40+00:00