is 2 58344667 - 1
has 17563495 decimal digits
takes 123.658 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
Actual2718.194063.3803 %----8.194063.3803 %
Target27332.785264.3836 %4000006500000012.04574.0804 %44.830965.8368 %
Difference-2-24.5912-1.0033 %-400000-65000000-12.0457-4.0804 %-36.6369-2.4566 %

Known prime factors (1 factor, 89.6 bits, 0.00015354% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
583446679280113721029850750308219112789.5847952838021193822865
5 × 271 × 1201 × 2207 × 7741 × 286049
2012-02-1177412860492,234,8580.07040.0895

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-02-11jbaffordrazim2789.5841.9210.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.06000e-5
2000-02-09ANONYMOUSv4_computers212544.11000e-5
2000-06-28ANONYMOUSv4_computers212560.000
2001-07-17ANONYMOUSv4_computers212570.000
2002-09-22ANONYMOUSv4_computers212580.001
2003-07-30ANONYMOUSv4_computers212590.001
2003-12-02ANONYMOUSv4_computers212610.003
2022-06-27LordJuliusManual testing261263
2009-01-12arnaudSRV-1402632640.034
2009-01-17Teo79Teo22642650.064
2009-01-18KYOJI_KAMEIwlaptop2652660.128
2009-01-22KYOJI_KAMEIwlaptop2662670.256
2009-06-04Genoa1893Genoa18932672680.512
2011-07-02TheJudgerManual testing2682703.074
2011-10-03Bio1ogicsManual testing2702714.099


ECM factoring results:
No ECM results for M58344667


Lucas-Lehmer results:
No L-L results for M58344667


PRP results:
No PRP results for M58344667


CERT results:
No CERT results for M58344667


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
271
270
268
267
266
265
264
263
261
259
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00