is 2 10045831 - 1
has 3024097 decimal digits
takes 2.930 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L6B678001C04F1988double-checked
PRP3EF7141741F57C__
unverified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26911.884265.2174%11000044000000.14543.2169%12.029666.3363%1.1189%
PrimeNet2640.354362.5000%4500013000000.04793.7470%0.402363.9051%1.4051%
GPU722685.933364.7059%6500015000000.06062.5697%5.993865.6128%0.9069%
Difference+1+5.9509+0.5115%+45000+2900000+0.0848+0.6472%+6.0357+0.7235%+0.7235%

Known prime factors (1 factor, 64.6 bits, 0.00064280% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10045831274752153560538507832064.5751367493408761
1301 × 1051109461
2011-04-27130110511094610.473524.22045.235

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-09-09T00:00:00ANONYMOUSv4_computers5500055000---0.023--0.640%
2011-04-21T09:25:00James Heinrichi7-9201100004400000---0.145--3.217%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-08-07T00:00:00ANONYMOUSv4_computers21264--0.354--
2022-03-13T07:22:42LordJuliusManual testing26426564.575200.1195.9560.242
2022-03-13T07:22:42LordJuliusManual testing265266--0.744--
2022-03-13T07:22:42LordJuliusManual testing266267--1.488--
2021-11-24T10:54:04ViliamFManual testing267268--2.975--
2021-12-28T17:29:07ViliamFManual testing268269--5.951--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CurvesCompleteFacMiss

New Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CompleteFacMiss


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-06-26T00:00:00ANONYMOUSv4_computers6B678001C04F19882.930
2000-06-29T00:00:00ANONYMOUSv4_computers6B678001C04F19882.930
2003-09-09T00:00:00ANONYMOUSv4_computers6B678001C04F19882.930


PRP results:
dateuseridcompidcofactorsres64PRP
2019-12-21T19:21:27Niels_Mache_NextcloudSuperDry-X
27475215356053850783
3EF7141741F57C__no
2021-01-23T11:51:30dcheuklaptop2
27475215356053850783
3EF7141741F57C82no


P-1 factor-bounds graph:
B1 = 110000, B2 = 4400000 (P-1 stage 2)
B1 = 110000 (P-1 stage 1)
B1 = 55000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
269
268
267
266
265
264
250
260
270
280
290
2100
Last modified: 2022-03-13T07:22:42+00:00