is 2 1481 - 1
has 446 decimal digits
takes 0.000 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
Actualunknown100000000000022328434186491000003,591,618.577488.8718%3,591,618.577488.8718%16.3718%
PrimeNet2400.000172.5000%500100000.00001.7891%0.000174.2891%1.7891%
GPU722440.001675.0000%500100000.00000.6894%0.001675.6894%0.6894%
Difference-44-0.0016-75.0000%+999999999500+2232843418649090000+3,591,618.5774+88.1824%+3,591,618.5758+13.1824%+13.1824%

Known prime factors (6 factors, 448.4 bits, 30.27905920% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
148171089516.11724
23 × 3
-885.926e-122.362e-104.807e-10
148139152782331031.8661321836
22 × 3 × 59 × 1867
-5918672.147e-74.650e-95.599e-9
1481127877069137431443.5404317254191
101 × 42745091
-101427450910.00136.876e-50.0001
148139934195803761293030103292581.7241348217278992616240044
22 × 32 × 17 × 61 × 397 × 1109 × 30553 × 2684743
-305532684743340,984,2795.171e-68.066e-6
1481826813887008018951187597609003410533737122.6372791404074976431300430781934515228
22 × 67 × 10415686846926982464293962442221
-67104156868469269824642939624422219.595e+131.675e+193.129e+19
1481834898187026072978675800881750666089928193523146152.5482818697457886809516123568135552552633113415
5 × 577193801 × 976690135272887144580947478177283
2011-12-135771938019766901352728871445809474781772839.058e+131.571e+212.934e+21

57 Composite Factors:
exponentprime factorscomposite factordigitsbits*
14812783332143057371547.984
14819090652967910761271859.657
1481500674305293615764561192375.406
148135592435689017851086890435912891.524
14812838882045493586560217012782813097.841
14811563534875828265301286980250786865735113.590
14815106667917745249857650651993584105144738125.264
1481111150130787755552003190139048187495747340129.708
148158777372413513059220975126426443451430199342138.754
1481363027915604592067130527199571900450631578343141.381
14813237206414544618096036290418093898085358522952147154.503
148119994025741507411206805946268737902527827225315148157.130
148110573053659271167546583609585247568945862043494639
1
51166.177
148159352077217496501981084008882773101666905349363655
9
51168.666
148123012976680356235582912384953187712099005203814183
69
52170.621
148114213552959380203552806279142983087528007096204251
439
53173.248
148175162781158392802971908222180566442879238680999039
89799
55182.294
148132688586984343465368788363561605898751470766340050
126823
56184.415
148110676433318504809693615412744530608355670184893764
3429779633
60196.088
148141396446848485400939634820123689964609900414315459
7204207103
60198.043
148123237989601299926096017959772310017363433053083478
23465720247
61200.532
148133018147657047194277232036291152918507215658703668
352385025873
62204.361
148175897696817918841630942607659593641739623777391281
33779604330337
64212.206
148129428320100119786673976997277729958941532105532717
160649878745167
65214.161
148123472270987918279939741482279017698237594539615850
79502699104285697
67220.478
148141801206978017837499219824591971480697203397041640
9494931661071628489
69227.955
148133340987676904514767235698490346297979776946126747
516779355857102000999
71234.272
148112927523481561682880736875918101707230572432195922
9697344065435698722409
72236.227
148129716060028603100499820381104186605912834922922932
134585196853920997654521
74244.072
148142222639507300964313540021433342645969917393763760
9642670140979668034272639
75247.901
148123701774729634650502880185699802279770843633232043
54220327628525524149017911
76250.390
148191900471678073847430870377214193226531416363237596
79954492267758386477333401
76252.345
148130015652199345182520852465836748953593554576052720
031887777652103620888407633871
80264.018
148113053924331810548348758499187980382111235255136526
8211533014251072522972128954767
81266.139
148169030541527097537765298285846409444667114617956398
095998986471641999360249065427847
83275.185
148142635477862697202777383058195744114241827888758201
2065497125794517359722871992829257
84277.812
148116531338140274131015671303309231992219664274461134
32476097310976735550153561464166887
85279.767
148192799042682408007156489294877433738390560305240055
51889670450094494585565675265431263
85282.256
148149073121666198368621972898425354010119405110759023
84246471949282558092520745812200215383
88291.303
148130309134857812814482413842240772533373373027839317
655724125175606444585339247098239050873
89293.929
148111751962970539476997730572809499930949037136071675
7801293281740025153524866530926159829943
90295.885
148127027377665324756928036784132665887991077179460079
6408347476122481391863783091328242191154351
93307.052
148116692975842937172070427503245676918372889403098733
05842384266947336649263591625769722017662881
94309.679
148188274233314548845286121693198479673818203480119205
2025927880729737120628628556898133440219201321
96318.725
148119213492508502716452572069472070853113976856106376
015873013730071079666204476179433409126971658239
98323.169
148111866869596985606253146207782319264502103347768858
3439029255153019215059499465084343768513636547409
99325.796
148162753269720979628625451050477867215320622671981941
78647118711319628216836857548133140813174280270856
9
101334.843
148134561818423121653616403692236911161559335208487557
23749718983048959904209364665465463856819645680756
145793
106350.592
148127566791617827881735274438819559956134066461292106
61942640901631377725017847995724278041414295014974
45231663
108356.909
148124569651098812952339365220774297775640915806361719
56456437727859675106303395247032743601174517917992
73648278577
111366.709
148119596956493197662846789245812436977216146506667945
67468403990560730110937937961680432016861008183195
1884073691007
113373.027
148110793165917492836009861827859151331089014524567232
21017554341669282739656343979416194288518926180716
988220639786291479
118388.776
148135251605176101018348236149337439131871651148927413
01103121858909150410183706151299480581295081924478
106360388433393444609
121400.449
148176727537190864821910506748067920897578695353695997
05891692059492764067942983715271783577652194326098
9975617061767674950631
122404.893
148125060013603638452933577596202492104456238085261008
63541198298279925935095494865897287750436860789292
24103053653341506583809201
126416.566
148113801984242429844894798260944461280497949229316494
14590915190253349372551528622545106098415082120886
0879717887686690324002508895897
131432.316
148198116925781009524372631357228080796931871276288025
23385356995992035354531561824810904743022977289167
11078264917759128443014354900421833
135448.433
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-09-07T20:58:13kkmrkkblmbrbkManual testing100000000010000000000012---0.189--44.204%
2021-03-27T16:37:19nordiManual testing10000000000002.2328434186491E+18---3,591,619--81.318%
unknown10000000000002232843418649100000---3,591,619--81.318%


Trial Factoring results:
Exponent "1481" not found


ECM factoring results:
Total ECM effort:278,528.371 GHz-days
Estimated T-Level:51.695
DigitsB1CurvesCompleteFacMiss
201100037658 / 100376.5800.000%
255000037658 / 280134.4930.000%
3025000037658 / 64058.8410.000%
35100000037658 / 158023.8340.000%
40300000037658 / 47008.0120.033%
451100000030755 / 97003.1714.197%
504400000030754 / 171001.79816.554%
5511000000015765 / 465000.33971.246%
602600000001652 / 1120000.01598.536%
658000000001626 / 3600000.00599.549%

ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
500005000011.44014e-5
44000000440000000014,617273.2
1000000001000000000000372524.7
2000000002000000006,903397.7
200000000200000000000014,11339,815
30000000030000000010.086
3000000003000000000010.127
50000000050000000000255.310
29000000001051012372179121,626237,512


Lucas-Lehmer results:
Exponent "1481" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T18:21:20Oliver KruseOliver-PC8148B4A073E591__?
2017-09-21T19:20:52Oliver KruseManual testing8148B4A073E591__?
2017-10-02T09:48:15kkmrkkblmbrbkManual testing
71089
3915278233
12787706913743
3993419580376129303010329
8268138870080189511875976090034105337
8348981870260729786758008817506660899281935231
8148B4A073E591__no
2017-12-07T02:19:09ATHManual testing
71089
3915278233
12787706913743
3993419580376129303010329
8268138870080189511875976090034105337
8348981870260729786758008817506660899281935231
8148B4A073E591__no
2020-04-17T12:30:37Oliver KruseIOS-1
71089
3915278233
12787706913743
3993419580376129303010329
8268138870080189511875976090034105337
8348981870260729786758008817506660899281935231
E381D48E7D74287Dno
2020-08-12T10:14:39_p95holder_TFL16_PRPt11-E_b
71089
3915278233
12787706913743
3993419580376129303010329
8268138870080189511875976090034105337
8348981870260729786758008817506660899281935231
E381D48E7D74287Dno


P-1 factor-bounds graph:
B1 = 1000000000000, B2 = 2.2328434186491E+18 (stage 2)
B1 = 1000000000000 (stage 1)
B1 = 1000000000, B2 = 100000000000 (stage 2)
B1 = 1000000000 (stage 1)
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
TF factor-bounds graph:
210
220
230
240
250
260
270
280
290
2100
2110
2120
2130
2140
2150
2160
Last modified: 2021-03-27T16:37:19+00:00