is 2 69160681 - 1
has 20819440 decimal digits
takes 184.909 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
Actual27455.318563.5135%11100002997000010.39895.0003%65.717465.3380%
Target27455.318563.5135%45000012000000026.99533.9440%82.313864.9525%
Difference---+660000-90030000-16.5965+1.0563%-16.5965+0.3854%

Known prime factors (1 factor, 73.5 bits, 0.00010633% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69160681137124245203833434155032373.53899134539467471
32 × 3217 × 3423981607
2014-05-093217342398160739.459723.211,350.7

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2014-01-11Jerry HallettQuadTF111000029970000---10.40--5.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-10-22Jocelyn Larouchev4_computers21256--0.000--
2001-06-03Jocelyn Larouchev4_computers21257--0.000--
2003-11-28ANONYMOUSv4_computers21261--0.004--
2004-01-18ANONYMOUSv4_computers21262--0.009--
2004-03-08ANONYMOUSv4_computers21263--0.023--
2022-05-21LordJuliusManual testing263265--0.082--
2008-06-06James HeinrichQ6600265266--0.108--
2008-06-07Sturle Sundegiovanni.ifi266267--0.216--
2008-06-08Sturle Sundehindemith.ifi267268--0.432--
2010-02-04heter1268269--0.864--
2012-03-25josiboZiben269270--1.729--
2012-09-29Sad_SocksAe9877270271--3.458--
2014-01-10garoManual testing271272--6.915--
2014-05-09brilongManual testing272273--13.83--
2014-05-09brilongManual testing27327473.5382311.80374.623.91


ECM factoring results:
No ECM results for M69160681


Lucas-Lehmer results:
No L-L results for M69160681


PRP results:
No PRP results for M69160681


P-1 factor-bounds graph:
B1 = 1110000, B2 = 29970000 (P-1 stage 2)
B1 = 1110000 (P-1 stage 1)
102
103
104
105
106
107
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
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273
272
271
270
269
268
267
266
265
263
262
261
257
256
this exponent TF target: 74
TF double-checked to: 67.8
250
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280
Last modified: 2023-06-05T21:50:05+00:00