is 2 93011507 - 1
has 27999254 decimal digits
takes 336.908 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-
PRPB9813BE320C004__PRP-tested

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual277329.079364.9351%720000136800007.49023.1836%336.569566.0514%
Target27582.268464.0000%600000220000009.27514.1466%91.543565.4928%
Difference+2+246.8109+0.9351%+120000-8320000-1.7849-0.9630%+245.0260+0.5586%

Known prime factors:
No known factors for M93011507

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2019-08-22Ryan PropperManual testing720000136800006---7.490--3.184%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-27Architects Cubedm1_57264265--0.040--
2013-07-17David CampeauManual testing265266--0.080--
2013-08-29Norman LeyManual testing266267--0.161--
2013-09-09processinfoManual testing267268--0.321--
2014-04-09HobzManual testing268269--0.643--
2014-06-09SMoffatManual testing269270--1.285--
2014-09-19shaugeManual testing270271--2.571--
2018-05-27Xie ShiquanManual testing271272--5.142--
2019-02-11DerekManual testing272273--10.28--
2019-05-08KrieselManual testing273274--20.57--
2019-05-10KrieselManual testing274275--41.14--
2019-05-21KrieselManual testing275276--82.27--
2019-08-12TheJudgerManual testing276277--164.5--


ECM factoring results:
No ECM results for M93011507


Lucas-Lehmer results:
No L-L results for M93011507


PRP results:
dateuseridcompidcofactorsres64PRP
2020-02-07Ben Deloi-0b01a905e1bd81a01B9813BE320C004__no


P-1 factor-bounds graph:
B1 = 720000, B2 = 13680000 (P-1 stage 2)
B1 = 720000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67.7
250
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270
280
Last modified: 2023-03-25T13:08:14+00:00