is 2 10694611 - 1
has 3219399 decimal digits
takes 3.494 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L7B67EF6321FE57E0double-checked
PRPC2AC3977D9A04B42PRP-tested

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual273178.860667.1233%100000068323437018.07997.0288%196.940469.4341%2.3108%
PrimeNet2640.332862.5000%4500013000000.05373.7828%0.386563.9185%1.4185%
GPU722685.573464.7059%7000017000000.07522.7125%5.648665.6632%0.9574%
Difference+5+173.2872+2.4174%+930000+681534370+18.0046+4.3163%+191.2919+3.7709%+1.3535%

Known prime factors (1 factor, 131.4 bits, 0.00122851% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10694611355405735536408263939809355655185545816740131.385166161132712731797322880353317753
23 × 53 × 941 × 1163 × 90019 × 372817 × 654767 × 5668129
2022-02-2165476756681291.737e+100.43950.6312

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-02-25T00:00:00ANONYMOUSv4_computers155000155000---0.073--0.690%
2001-08-24T00:00:00ANONYMOUSv4_computers1200001620000---0.096--1.632%
2013-03-09T16:20:00NesowaOutback1550003000000---0.147--2.012%
2022-02-20T17:48:30YzzyxManual testing100000068323437040131.38518.086.98736.167.029%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-10-29T00:00:00ANONYMOUSv4_computers21264--0.333--
2013-10-30T12:48:00america64Manual testing264265--0.349--
2015-05-12T13:32:00ThaManual testing265266--0.699--
2015-11-23T15:35:13VictordeHollanderManual testing266267--1.397--
2017-12-17T22:55:54ramgeisManual testing267268--2.795--
2017-12-17T22:55:54ramgeisManual testing268269--5.590--
2020-08-28T15:38:25ViliamFManual testing269270--11.18--
2021-08-12T16:37:18SRBaseManual testing270271--22.36--
2021-10-26T14:55:53SRBaseManual testing271272--44.72--
2021-12-13T11:48:19-Anonymous-Manual testing272273--89.44--


ECM factoring results:
Total ECM effort:1.490 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000031.490


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-01-02T00:00:00ANONYMOUSv4_computers7B67EF6321FE57E03.494
2004-06-12T00:00:00sasaki3v4_computers7B67EF6321FE57E03.494


PRP results:
dateuseridcompidcofactorsres64PRP
2022-02-28T17:18:30ATHec2-PRPCFDC
3554057355364082639398093556551855458167
C2AC3977D9A04B42no


P-1 factor-bounds graph:
B1 = 1000000, B2 = 683234370 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 155000, B2 = 3000000 (P-1 stage 2)
B1 = 120000, B2 = 1620000 (P-1 stage 2)
B1 = 155000 (P-1 stage 1)
B1 = 120000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-02-28T17:18:30+00:00