is 2 7261979 - 1
has 2186074 decimal digits
takes 1.584 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2688.207866.1765%----8.207866.1765%0.0000%
PrimeNet2630.219863.4921%320008000000.02333.3776%0.243164.7252%1.2331%
GPU722674.091765.6716%4500010000000.03072.3137%4.122466.4659%0.7943%
Difference+1+4.1161+0.5048%-45000-1000000-0.0307-2.3137%+4.0854-0.2894%-0.2894%

Known prime factors (5 factors, 212.2 bits, 0.00292203% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
726197914523959823.7921
1
-111.539e-133.162e-76.435e-7
7261979305003119928.18421
3 × 7
2008-09-08374.947e-121.017e-61.930e-6
7261979363098951928.43625
52
2008-09-0825254.951e-127.905e-61.609e-5
7261979233628376368416692792064.3411608572376541
13 × 123736336657
2017-09-14131237363366570.53032,131.53,981.1
72619792008334677784039794812167.44513827736749060
22 × 32 × 5 × 13 × 36353 × 162553
2022-08-05363531625535.53500.01370.0234

26 Composite Factors:
exponentprime factorscomposite factordigitsbits*
726197944298527952281211651.976
726197952736342772670091652.228
72619791107463125606281691856.620
726197916084749030317485408010712580.412
72619793393208959611452940997555612788.133
726197929168970518413604834188852792891.236
726197971257383479272984392614812012892.525
726197984830218383205290682938263292892.777
7261979612548340719992145837170012392995.629
7261979729224214760307854037766244312995.880
726197910349393161002381751259774324259475936116.317
726197912320706137587199304620773355551651136116.569
726197988966269861351964064610779359818520136119.421
7261979105912225969859060994225013839424232937119.672
7261979258734811923287508755978103878932015137120.961
72619792224156599522197328817154483074660028938124.065
7261979469203969975072515985499755609650406419940131.785
72619793757853800246538922383966985635349551099780944144.753
726197932303559261039813593649870208842556198682415145147.857
72619796814699222555184244200243044984582507175964384147155.577
7261979143108674289579469626754784234681120457687123668149159.970
7261979170367469302984326703265692472620428047789355524949160.221
726197920785045179262063441007317892783549716015090189834
140079
56183.762
726197924744101390903029386808360835789477195285426402800
710791
56184.013
726197951962609513546975652611023689844052657690834490094
3821631
57188.405
726197975470281010776621895252075101932373719414271480991
67126671957129
64212.197
P-1 results:
No P-1 results for M7261979


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T03:28:00Will EdgingtonManual testing??28.18492.23834e-143.4374.85864e-14
2008-09-08T03:28:00Will EdgingtonManual testing??28.43692.66469e-143.4375.78409e-14
2022-08-10T19:28:49LordJuliusManual testing2126323.79281.53919e-133.4373.34103e-13
2022-08-10T19:28:49LordJuliusManual testing2126328.18494.94673e-123.4371.07376e-11
2022-08-10T19:28:50LordJuliusManual testing2126356.620180.0023.4350.005
2022-08-10T19:28:50LordJuliusManual testing2126328.43694.95099e-123.4371.07468e-11
2022-08-10T19:28:50LordJuliusManual testing2126351.976168.24380e-53.4370.000
2022-08-10T19:28:50LordJuliusManual testing2126352.228160.0003.4370.000
2022-08-10T19:28:50LordJuliusManual testing263264--0.270--
2017-09-14T12:30:54TJAOIManual testing264265*64.341200.0403.2170.082
2022-08-10T19:28:50LordJuliusManual testing26426564.341200.0403.2170.082
2022-08-10T19:28:50LordJuliusManual testing265266--1.029--
2022-08-10T19:28:50LordJuliusManual testing266267--2.058--
2022-08-05T09:30:58TJAOIManual testing267268*67.445211.4433.2172.933
2022-08-10T19:28:50LordJuliusManual testing26726867.445211.4433.2172.933


ECM factoring results:
No ECM results for M7261979


Lucas-Lehmer results:
No L-L results for M7261979


PRP results:
dateuseridcompidcofactorsres64PRP
2018-02-20T13:13:11kkmrkkblmbrbkc5.large
14523959
305003119
363098951
23362837636841669279
75EDDF9801544D__no
2019-04-22T17:42:09marssystemssystem11
14523959
305003119
363098951
23362837636841669279
75EDDF9801544D08no
2022-08-11T10:26:58Funky Waddlemain
14523959
305003119
363098951
23362837636841669279
200833467778403979481
75EDDF9801544D08no


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
268
267
266
265
264
263
2
220
230
240
250
260
270
280
290
2100
Last modified: 2022-08-11T10:26:58+00:00