is 2 69250817 - 1
has 20846574 decimal digits
takes 185.150 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
Actual2716.903661.9718 %----6.903661.9718 %
Target27455.246563.5135 %4500007500000017.49063.9446 %72.737164.9528 %
Difference-3-48.3429-1.5417 %-450000-75000000-17.4906-3.9446 %-65.8336-2.9809 %

Known prime factors (1 factor, 80.9 bits, 0.00011679% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6925081722189825611949816009649512580.87616021345720693675
52 × 17 × 461 × 8741 × 9355091
2013-12-06874193550916,700.72.00803.6905

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2013-12-06La GüiraLa_duodecima2580.8766.6780.000%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-09-23Jossv4_computers212528.70000e-6
2000-10-22Jossv4_computers212543.47000e-5
2000-10-28Jossv4_computers212560.000
2001-06-03Jossv4_computers212570.000
2003-11-28ANONYMOUSv4_computers212620.004
2005-01-10ANONYMOUSv4_computers212630.014
2022-05-21LordJuliusManual testing263265
2008-06-11James HeinrichWHS2652660.108
2010-02-10duklahome2662670.216
2010-02-15SAHS Physics Clubphysicsclub82672680.432
2010-02-22arnaudATTAX152682690.863
2012-04-22Toddlaptop2692701.727
2012-10-01[DPC] hansRManual testing2702713.453


ECM factoring results:
No ECM results for M69250817


Lucas-Lehmer results:
No L-L results for M69250817


PRP results:
No PRP results for M69250817


CERT results:
No CERT results for M69250817


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
271
270
269
268
267
266
265
263
262
257
256
254
252
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00