is 2 91936463 - 1
has 27675634 decimal digits
takes 333.014 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277332.927464.9351%7000007000003.67661.2951%336.603965.3892%0.4541%
PrimeNet2715.200161.9718%400000180000007.13725.5583%12.337364.0855%2.1137%
GPU7227583.230464.0000%600000220000009.27514.1408%92.505565.4907%1.4907%
Difference+2+249.6970+0.9351%+100000-21300000-5.5985-2.8456%+244.0985-0.1015%-0.1015%

Known prime factors (1 factor, 79.3 bits, 0.00008628% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
919364637569006708805010560095192479.3244116433492119993
3 × 11 × 43 × 211 × 223 × 5741 × 10739
2019-06-235741107391,721.70.03160.0614

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2019-06-23T16:29:57Jwb52zClay7000007000002479.3243.677666.07.3531.295%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2011-01-08T18:20:00Architects Cubedm1_82264265--0.041--
2013-06-29T21:38:00David CampeauManual testing265266--0.081--
2014-05-02T10:49:00ANONYMOUSManual testing266267--0.163--
2014-05-15T07:07:00ANONYMOUSManual testing267268--0.325--
2014-05-21T21:40:00ANONYMOUSManual testing268269--0.650--
2014-06-14T09:41:00jjnguyLittle_Guy269270--1.301--
2014-09-12T02:25:00SMoffatManual testing270271--2.601--
2018-04-09T01:56:13ixfd64Manual testing271273--15.61--
2018-09-27T04:39:49gcardonaManual testing273274--20.81--
2019-01-24T16:05:15Strolling JellyfishManual testing274275--41.62--
2019-01-24T16:05:15Strolling JellyfishManual testing275276--83.23--
2019-04-12T17:34:08Jon PaceManual testing276277--166.5--


ECM factoring results:
No ECM results for M91936463


Lucas-Lehmer results:
No L-L results for M91936463


PRP results:
No PRP results for M91936463


P-1 factor-bounds graph:
B1 = 700000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
277
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275
274
273
271
270
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2100
Last modified: 2019-06-23T16:29:57+00:00