is 2 317557 - 1
has 95595 decimal digits
takes 0.002 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
Actualunknown1500000013050000000.879450.5560%0.879450.5560%-1.9440%
PrimeNet2400.000052.5000%3200900000.000115.6865%0.000159.9511%7.4511%
GPU722440.000056.8182%55001500000.000111.4857%0.000161.7779%4.9597%
Difference-440.0000-56.8182%+14994500+1304850000+0.8792+39.0703%+0.8792-11.2219%-11.2219%

Known prime factors (6 factors, 443.0 bits, 0.13950183% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
317557478352377386331511755.40975317561475
3 × 52 × 13 × 71 × 227 × 4793
2014-04-2322747930.02244.906e-65.032e-6
317557232697420979109549032064.33536638685492543
32 × 17 × 239468532631
2014-09-261723946853263114.883134.53251.26
317557893717491608019488732066.276140717649368148
22 × 3 × 11726470780679
2014-09-2641172647078067951.2746,587.712,304
3175574440785419196202982632168.589699210758886783
3 × 11 × 13 × 17 × 97 × 988394123
2014-03-0797988394123256.280.55531.0371
317557196090894707362358757809178492993.98630874912961667095790332
22 × 7718728240416773947583
2021-05-21477187282404167739475837.919e+94.336e+128.099e+12
317557261803937426181358789514148312994.40241221566116662734373595
5 × 701 × 11760789191629881419
2019-06-21701117607891916298814192.175e+106.607e+91.234e+10

57 Composite Factors:
exponentprime factorscomposite factordigitsbits*
317557111311364537025066141863614842178935337119.744
317557427511886822444902742658708400488882337121.685
3175572124260262735060462699602296055951671338123.998
317557207965755381105116505740847741881467431940130.612
3175571033359314168590316982499622011200223348941132.924
3175573968807605613497846502114246385993670759941134.866
31755793800545667079595161671096019174914947901219945149.394
317557125234535876916225479856093394223805952966248146149.811
31755745629845475889343373871373591098111542138676364748158.321
31755760921101041248577750041034484628184644608636639348158.738
317557175249862545036152041449819995623943190391113417749160.262
317557233978758249629697869703083624072174350547593546349160.679
317557870797586053592653129295728031234699934128039628749162.575
3175571162615108010341280349376587955060334157006173855350162.992
31755799480913501495897672056033791712867775098608180281
749169
56186.020
31755749430988462685422108307805332188687000789343453401
7793839
57188.333
31755751337368327810212361036110803133103284956972537033
1218519
57188.388
31755718984885535341706733348145847052137469137665389574
15014449
58190.275
31755792353129418853589097566398264882629404268673974415
9986407897
60199.201
31755721827145063162610695627569868093030001616227492910
827361275861697
65213.730
31755729141753516074173170729576020786617500351919933448
914568002094343
65214.146
31755783831188385045856904277183543891734371374144027931
405210141301727
65215.671
31755711192429526661209232826870445465087456828694809033
2785696708333913
66216.088
31755741654809551101464133857449044803369280522811996868
7428502995510337
66217.984
31755755613970090201334226279592376916066480574446550333
8781272940570503
66218.401
31755740780191041173360270812941062796549993920616473840
354821723829019831
68224.597
31755754446253608583383122053729371065982772328285285968
847996669531425089
68225.014
31755720263235246950522389148776234663595264331350157784
7723541134425645161
69226.910
31755727053753722535530335626662220481652757699246526310
7183424388559475359
69227.327
31755777824703430613532055037105998845206879979122857429
3830925099353034551
69228.851
31755710390494580365888546897938804321788913790888183599
14362427252999000769
70229.268
31755724557352188365773313285500120373844854847400678876
901850847543851358523369
74243.797
31755711946073209736058217894473742965799043003776188777
094873171347008586847448657
77252.723
31755744177339016576166901413301070317645368475500332821
447398884356275171132393447
77254.610
31755745881104047687528958901239467604014270464222680210
968187392871322368028779087
77254.664
31755722797823673004454803847398382883084392076780529823
6533862948694084543009132497
78256.977
31755719507301334814054537645710524946808405322458421508
73462996462462639008665650013017481
85280.006
31755726044494853444992289583049928815659452039556524944
89585739768530018133563300008525439
85280.423
31755796929667539172906566806543283810949274485457640936
50556789780336960153267017477332311
85282.319
31755712941227410399186929797894120956951893432669464147
339196055001266083485358718325026209
86282.736
31755737227631905420172818543800543004452232658694159431
100813931946737021796393558817000201
86284.260
31755749703177847378157770052750782626521139653506805319
564240461740075960439223390857893119
86284.677
31755718109607776767828205635941836820632614783029751820
257594571331534259428381602399161853553
89293.186
31755724178412915485573836514035906320479981597862582166
571127445804618030918434933797621320407
89293.603
31755757144325203084074928280835228788580637005105825177
2784644832748561490286656280114866830628207
93308.132
31755721947335198320967037956978278435638505409536727706
21904293291188830733077648681167374713713137
94310.073
31755710905393153216069331315029022815198758872308079596
918646183622050882608941547221627347035608047
95312.386
31755710676414583571072048041448552218485681814010526962
48687007925665032493935925987526512193406513561
97319.000
31755753049947726446271367027456055851092392819433015379
25487655001203066443979531282442309830918782791
97321.312
31755720374813787159466872934253342475415130929322329907
613137500900722892171687099032121346354676825881
98323.254
31755786627739335508881172000555643808196540162762182693
16503511144100567764815341832406376765891267098529
35503
105348.595
31755711565801299550907124948542593128711550861263399514
21157289418107290120703409255987545037335213656003
012457
106349.012
31755751070882980133228300759185661155666110020790308441
14410171015862948885606280394107115882448481098992
3492485660711
113374.408
31755725376568615166186081783677979672896113667390373966
38884086186057337936140378604235080002428641886888
24225000904441
114376.721
31755797463406138915356330829924989089781164628818209192
57733709910044343049243850946504701597798922967426
76284161381031
114378.663
31755747411666212016118086232005970742866173870893612241
37606693916826515353577794747277007291268983229861
98843973774244543
117387.589
31755722679483248365116648165938074175363567070144561209
24341363782755445763006335656363964062410444089494
5756594523294409116593300440644993
134442.998
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-05-21T04:45:15George WoltmanManual testing150000001305000000---0.879--42.018%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-05-21T04:45:16George WoltmanManual testing750000059250000027P+12993.9860.440


Trial Factoring results:
Exponent "317557" not found


ECM factoring results:
Total ECM effort:7.575 GHz-days
Estimated T-Level:26.125
DigitsB1CurvesCompleteFacMiss
2011000415 / 1004.1501.544%
2550000415 / 2801.48222.655%
30250000144 / 6400.22579.838%

ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000050000002451.873
500005000000260.199
250000250000001214.625
25000025000000230.879


Lucas-Lehmer results:
Exponent "317557" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-22T17:44:36Oliver KruseOllaptop527063B1CBEC76__?
2017-09-22T20:38:01Oliver KruseManual testing527063B1CBEC76__?
2017-10-13T00:19:13Oliver KruseGTX-0527063B1CBEC76__no
2017-12-11T21:06:42ATHxps
47835237738633151
23269742097910954903
89371749160801948873
444078541919620298263
527063B1CBEC76__no
2019-06-21T09:58:21ATHec2-PRPCF
47835237738633151
23269742097910954903
89371749160801948873
444078541919620298263
26180393742618135878951414831
A2E3130B65E476AEno
2019-06-22T07:54:20kkmrkkblmbrbkc5.large
47835237738633151
23269742097910954903
89371749160801948873
444078541919620298263
26180393742618135878951414831
A2E3130B65E476AEno
2021-05-21T04:49:15GURA LOVE
47835237738633151
23269742097910954903
89371749160801948873
444078541919620298263
19609089470736235875780917849
26180393742618135878951414831
A2E3130B65E476AEno
2021-05-21T09:34:37firejugglerMaison
47835237738633151
23269742097910954903
89371749160801948873
444078541919620298263
19609089470736235875780917849
26180393742618135878951414831
A2E3130B65E476AEno


P-1 factor-bounds graph:
B1 = 15000000, B2 = 1305000000 (stage 2)
B1 = 15000000 (stage 1)
100
101
102
103
104
105
106
107
108
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
TF factor-bounds graph:
250
260
270
280
290
2100
Last modified: 2021-05-21T09:34:37+00:00