is 2 123000881 - 1
has 37026955 decimal digits
takes 603.260 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277248.845164.9351%12800003712000022.98924.2946%271.834369.2297%6.2160%
PrimeNet27315.551563.0137%5000002800000014.21085.2844%29.762368.2981%5.2844%
GPU72277248.845164.9351%8000002800000016.22813.8492%265.073168.7843%3.8492%
Difference---+480000+9120000+6.7612+0.4454%+6.7612+0.4454%+0.4454%

Known prime factors:
No known factors for M123,000,881

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-01-12T18:12:36timbitManual testing1280000371200006---22.99--4.295%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-10-27T06:01:00RichardUNKNOWN264265--0.030--
2012-08-26T23:51:00RichardUNKNOWN265266--0.061--
2014-02-06T06:56:00mikrManual testing266268--0.365--
2014-02-06T06:56:00mikrManual testing268269--0.486--
2014-03-23T10:02:00E.Lechner269270--0.972--
2015-03-23T00:50:00La GüiraManual testing270271--1.944--
2015-07-12T06:14:00ANONYMOUSLibary_1271272--3.888--
2018-01-21T06:18:14pussijussi272273--7.776--
2019-02-27T14:13:05nranksManual testing273274--15.55--
2019-02-27T14:13:05nranksManual testing274275--31.11--
2019-02-27T14:13:05nranksManual testing275276--62.21--
2019-02-27T14:13:05nranksManual testing276277--124.4--


ECM factoring results:
Exponent "123000881" not found


Lucas-Lehmer results:
Exponent "123000881" not found


PRP results:
Exponent "123000881" not found


P-1 factor-bounds graph:
B1 = 1280000, B2 = 37120000 (stage 2)
B1 = 1280000 (stage 1)
105
106
107
105
106
107
108
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
266
265
250
260
270
280
290
2100
Last modified: 2019-02-27T14:13:05+00:00