is 2 873694637 - 1
has 263008293 decimal digits
takes 37,989.537 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
Actual27870.066361.5385%----70.066361.5385%
Target2858,968.505864.7059%50000002400000001,122.47444.2694%10,090.980266.2127%
Difference-7-8,898.4395-3.1674%-5000000-240000000-1,122.4744-4.2694%-10,020.9140-4.6743%

Known prime factors (8 factors, 383.9 bits, 0.00004394% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
87369463752421678231032.2883
3		2008-05-28136.553e-136.992e-50.0001
87369463769895570971032.7034
22		2008-05-28446.555e-130.00030.0005
8736946371310541955511236.93175
3 × 52		2008-05-2825251.065e-110.00160.0032
87369463715936190178891340.535912
24 × 3 × 19		2008-05-2816192.007e-100.00100.0021
873694637132522002540171443.5917584
25 × 3 × 79		2008-05-2832792.202e-90.00220.0041
873694637924683228854714391756.36052917987
3 × 1223 × 14423		2015-02-131223144231.219e-50.12250.1569
8736946373836989722398768051032168.379219584140723
59 × 941 × 3955117		2019-06-1894139551170.122213.64225.375
873694637103782330058192804113112373.1365939279335315
5 × 1187855867063		2019-12-10511878558670633.69414,080,3297,620,918

247 Composite Factors:
P-1 results:
No P-1 results for M873694637


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-03-27TJAOIManual testing256257*56.360171.20573e-686,0702.73173e-6
2019-06-16Seth_TrManual testing266267--0.017--
2019-06-17Seth_TrManual testing267268--0.034--
2019-06-18Seth_TrManual testing26826968.379210.05486,0700.122
2021-08-06Seth_TrManual testing269270--0.137--
2022-04-15LordJuliusManual testing2127036.931121.06482e-1186,0702.41249e-11
2022-04-15LordJuliusManual testing2127043.591142.20166e-986,0704.98814e-9
2022-04-15LordJuliusManual testing2127040.535132.00745e-1086,0704.54812e-10
2022-04-15LordJuliusManual testing2127064.990200.00686,0700.013
2022-04-15LordJuliusManual testing2127068.379210.12286,0700.277
2022-04-15LordJuliusManual testing2127032.288106.55308e-1386,0701.48468e-12
2022-04-15LordJuliusManual testing2127032.703106.55450e-1386,0701.48500e-12
2022-04-15LordJuliusManual testing2127056.360171.21928e-586,0702.76244e-5
2022-04-15LordJuliusManual testing2127069.219210.27386,0700.619
2022-04-15LordJuliusManual testing2127069.634210.27286,0700.617
2019-06-21Seth_TrManual testing270271--0.274--
2022-04-15LordJuliusManual testing270271--0.274--
2019-06-23Seth_TrManual testing271272--0.547--
2022-04-15LordJuliusManual testing271272--0.547--
2021-08-06Seth_TrManual testing272273--1.095--
2019-12-10Seth_TrManual testing27327473.136231.50586,0663.409
2021-08-06Seth_TrManual testing273274
skipped known factors(?)
--2.190--
2022-04-15LordJuliusManual testing27327473.136231.50586,0663.409
2019-12-13Seth_TrManual testing274275--4.379--
2021-08-06Seth_TrManual testing275276--8.758--
2021-08-06Seth_TrManual testing276277--17.52--
2019-12-28Seth_TrManual testing277278--35.03--


ECM factoring results:
No ECM results for M873694637


Lucas-Lehmer results:
No L-L results for M873694637


PRP results:
No PRP results for M873694637


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
278
277
276
275
274
273
272
271
270
269
268
267
257
this exponent TF target: 85
TF double-checked to: 67.7
250
260
270
280
290
Last modified: 2023-03-25T13:08:14+00:00