is 2 6963527 - 1
has 2096231 decimal digits
takes 1.518 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
Actual2674.267165.6716%----4.267165.6716%
Target2674.267165.6716%450009000000.02902.2386%4.296066.4401%
Difference----45000-900000-0.0290-2.2386%-0.0290-0.7685%

Known prime factors (4 factors, 170.1 bits, 0.00244206% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6963527125343487926.9019
32		-991.286e-122.846e-65.791e-6
696352727664700065611341.331198640
24 × 5 × 13 × 191		2008-09-08161918.396e-88.074e-61.030e-5
69635275166372291960311548.87637095945
3 × 5 × 2473063		2014-04-16524730637.675e-60.04260.0796
696352786714664206752091652.945622634652
22 × 32 × 557 × 31051		2014-08-30557310510.00010.00070.0010

11 Composite Factors:
P-1 results:
No P-1 results for M6963527


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08Will EdgingtonManual testing??41.331134.18871e-87.3332.02283e-7
2014-04-16TJAOIManual testing??48.876152.29031e-67.3331.10605e-5
2014-08-30TJAOIManual testing??52.945163.49107e-57.3330.000


ECM factoring results:
No ECM results for M6963527


Lucas-Lehmer results:
No L-L results for M6963527


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-25kkmrkkblmbrbkc4.xlarge
125343487
2766470006561
516637229196031
8671466420675209
0C5AC6791AFF9B__no
2019-02-13artorollofirst
125343487
2766470006561
516637229196031
8671466420675209
0C5AC6791AFF9BFEno


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
TF factor-bounds graph:
2
this exponent TF target: 67
TF double-checked to: 67.8
250
260
270
Last modified: 2023-04-26T21:34:10+00:00