is 2 999991061 - 1
has 301027305 decimal digits
takes 47,430.132 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
Actual280244.868762.5000 %----244.868762.5000 %
Target2857,835.805564.7059 %550000014000000005,603.46954.4846 %13,439.275066.2887 %
Difference-5-7,590.9367-2.2059 %-5500000-1400000000-5,603.4695-4.4846 %-13,194.4063-3.7887 %

Known prime factors (1 factor, 80.7 bits, 0.00000807% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
99999106119702141962684347632926492580.705985115904085284
22 × 3 × 173 × 1801 × 2687 × 98057
2013-01-16268798057244.870.54210.6862

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2013-01-16Never Odd Or EvenManual testing2580.705-0.000%


Trial Factoring results:
5758596061626364656667686970717273747576777879808182838485
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2021-11-24onlinegameManual testing21270
2009-07-19Rob_Deetwopc2692700.120
2009-08-09Rob_Deetwopc2702710.239
2021-11-24onlinegameManual testing270271
2009-12-31James HintzNEW_OMFG2712720.478
2021-11-24onlinegameManual testing271272
2009-12-31James HintzNEW_OMFG2722730.957
2010-01-01James HintzNEW_OMFG2732741.913
2010-01-02James HintzNEW_OMFG2742753.826
2010-03-29James Hintz03_1221092752767.652
2012-05-06Serge BatalovManual testing27627715.30
2012-09-16Never Odd Or EvenManual testing27727830.61
2012-09-19Never Odd Or EvenManual testing27827961.22
2012-10-03Never Odd Or EvenManual testing279280122.4


ECM factoring results:
No ECM results for M999991061


Lucas-Lehmer results:
No L-L results for M999991061


PRP results:
No PRP results for M999991061


CERT results:
No CERT results for M999991061


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
280
279
278
277
276
275
274
273
272
271
270
this exponent TF target: 85
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00