is 2 69548117 - 1
has 20936070 decimal digits
takes 185.945 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
Actual27455.010363.5135 %6350006350002.46171.6862 %57.472164.1287 %
Target27455.010363.5135 %4500008000000018.54673.9956 %73.557064.9714 %
Difference---+185000-79365000-16.0850-2.3095 %-16.0850-0.8426 %

Known prime factors (1 factor, 93.5 bits, 0.00013443% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69548117139362938657931059070821750232993.493100191741106327191483
3 × 401 × 292807 × 502171 × 566413
2014-04-0650217156641345,717,3891.96043.9620

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2014-04-06James Heinrichi7-92063500063500012993.4932.4621.686%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-10-22Jossv4_computers212543.45000e-5
2001-01-08Jossv4_computers212560.000
2003-09-14ANONYMOUSv4_computers212620.004
2004-02-23ANONYMOUSv4_computers212640.028
2010-02-18jomateix01052642650.054
2010-02-23jomateix01052652660.107
2010-03-02jomateix01052662670.215
2010-03-03commigycommigy12672680.430
2010-03-10BillD22682690.860
2013-05-14xiaowuc1eight2692701.719
2014-01-15AllRandomManual testing2702713.438
2014-03-17Jerry HallettManual testing27127320.63
2014-03-24RichD0Manual testing27327427.51


ECM factoring results:
No ECM results for M69548117


Lucas-Lehmer results:
No L-L results for M69548117


PRP results:
No PRP results for M69548117


CERT results:
No CERT results for M69548117


P-1 factor-bounds graph:
B1 = 635000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
274
273
271
270
269
268
267
266
265
264
262
256
254
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00