is 2 106875493 - 1
has 32172730 decimal digits
takes 438.338 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
Actual277286.390964.9351 %8400008400004.99551.4373 %291.386465.4391 %
Target276143.194664.4737 %70000012000000042.81733.9742 %186.011965.8856 %
Difference+1+143.1963+0.4614 %+140000-119160000-37.8218-2.5368 %+105.3745-0.4465 %

Known prime factors (1 factor, 89.4 bits, 0.00008361% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1068754937910034897357118238551852812789.3543700584051274092480
26 × 3 × 5 × 79 × 617 × 135119 × 585289
2020-04-021351195852891,416,8170.94941.6354

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-04-02FlaukrotistLenovo84000084000012789.3544.9951.611%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-04-23oodairaLinux012632640.018
2010-09-06sasaki3mate_ma22642650.035
2012-05-26omiXorpLLB16-T5500-232652660.070
2013-09-15Helmut KirrmaierX4170RH52262662670.140
2014-06-20Ryan PropperManual testing2672680.280
2014-10-21ANONYMOUSManual testing2682713.916
2015-01-15wilmaralbertompPuninsher2712724.475
2020-02-13el groccoManual testing2722738.950
2020-02-17Hans LoeblichManual testing27327417.90
2020-03-19ChuckGPU72_TF27427535.80
2020-03-211997rj7Manual testing27527671.60
2020-03-29Jon PaceManual testing276277143.2


ECM factoring results:
No ECM results for M106875493


Lucas-Lehmer results:
No L-L results for M106875493


PRP results:
No PRP results for M106875493


CERT results:
No CERT results for M106875493


P-1 factor-bounds graph:
B1 = 840000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
277
276
275
274
273
272
271
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00