is 2 2363063 - 1
has 711353 decimal digits
takes 0.160 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LCE6C290DF6DA691Edouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26950.522168.1159%1440000036891835890198.221315.9261%248.743473.1938%
Target2630.675465.0794%100007000000.00471.2708%0.680165.5231%
Difference+6+49.8467+3.0366%+14390000+36891135890+198.2167+14.6554%+248.0633+7.6707%

Known prime factors:
No known factors for M2363063

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-09-21ANONYMOUSv4_computers2048204800---0.001--0.186%
2010-11-03Jocelyn LaroucheManual testing2000020000---0.002--0.218%
2010-12-23Oscar Östlin7501175011---0.007--0.588%
2011-01-22Oscar Östlin900001822500---0.018--2.033%
2014-08-07Jocelyn LaroucheManual testing117161117161---0.011--0.776%
2014-10-22Jocelyn LaroucheManual testing144322144322---0.014--0.875%
2015-08-31mikrMSI3000000100000000---0.812--7.218%
2023-01-23Jocelyn LaroucheManual testing1000000571741170---3.144--8.233%
2023-03-21Jocelyn LaroucheManual testing10000001647836190---8.887--9.325%
2023-06-18Sid & AndyPterodactyl1440000036891835890---198.2--15.926%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-03-01ANONYMOUSv4_computers21259--0.032--
2016-02-23Mark RoseManual testing259260--0.032--
2009-01-14Sturle Sundeginjtje.ifi260261--0.065--
2012-05-30Sebastian HornbostelManual testing261262--0.130--
2013-12-04Jerry HallettManual testing262263--0.415--
2015-03-09VictordeHollanderManual testing263264--0.831--
2015-03-09VictordeHollanderManual testing264265--1.581--
2015-10-29ramgeisManual testing265266--3.162--
2017-06-13Gordon SpenceManual testing266267--6.325--
2019-04-15TJAOIManual testing267268--12.65--
2021-07-12TJAOIManual testing268269--25.30--


ECM factoring results:
Total ECM effort:21.161 GHz-days
Estimated T-Level:24.218
DigitsB1CompleteFacMiss
20110009.1130.011%
25500000.84443.013%
302500000.05394.815%
3510000000.00299.751%


ECM Summary

B1B2factorcurvesGHz-days
50000390000070.565
50000500000020818.47
50000620000070.684
50000675000070.713
50000700000070.726


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1997-01-01John LloydCE6C290DF6DA691E0.160
1999-06-26curtiscv4_computersCE6C290DF6DA691E0.160
2018-05-11kkmrkkblmbrbkoldCE6C290DF6DA691E0.160


PRP results:
No PRP results for M2363063


P-1 factor-bounds graph:
B1 = 14400000, B2 = 36891835890 (P-1 stage 2)
B1 = 1000000, B2 = 1647836190 (P-1 stage 2)
B1 = 1000000, B2 = 571741170 (P-1 stage 2)
B1 = 14400000 (P-1 stage 1)
B1 = 3000000, B2 = 100000000 (P-1 stage 2)
B1 = 3000000 (P-1 stage 1)
B1 = 1000000 (P-1 stage 1)
B1 = 90000, B2 = 1822500 (P-1 stage 2)
B1 = 144322 (P-1 stage 1)
B1 = 117161 (P-1 stage 1)
B1 = 90000 (P-1 stage 1)
B1 = 75011 (P-1 stage 1)
B1 = 20000 (P-1 stage 1)
B1 = 2048, B2 = 204800 (P-1 stage 2)
B1 = 2048 (P-1 stage 1)
102
103
104
105
106
107
108
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
269
268
267
266
265
264
263
262
261
260
259
this exponent TF target: 63
TF double-checked to: 67.9
ECM T-Level=24.22 ~= 64-bit
250
260
270
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Last modified: 2023-10-02T12:12:48+00:00