is 2 10319503 - 1
has 3106480 decimal digits
takes 3.371 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LE8E680772F738F8Edouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual273185.362167.1233%300000187500000.61823.3453%185.980368.2231%1.0998%
PrimeNet2640.344962.5000%4500013000000.05373.7623%0.398663.9109%1.4109%
GPU722685.775964.7059%7000016000000.07262.6598%5.848665.6446%0.9388%
Difference+5+179.5861+2.4174%+230000+17150000+0.5456+0.6854%+180.1317+2.5785%+2.5785%

Known prime factors:
No known factors for M10319503

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-10-31T00:00:00Team Prime Ribv4_computers50000387500---0.032--0.861%
2013-06-10T00:34:00NesowaOutback1250002531250---0.121--1.835%
2021-06-05T19:16:38Dylan Delgadolaptop-ryzen7370030000018750000---0.618--3.345%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-09-07T00:00:00ANONYMOUSv4_computers21264--0.345--
2013-09-25T09:16:00NesowaManual testing264265--0.362--
2015-04-29T08:20:00ThaManual testing265266--0.724--
2015-12-11T23:17:24VictordeHollanderManual testing266267--1.448--
2017-09-26T11:35:14-Anonymous-Manual testing267268--2.897--
2017-11-26T23:00:24ramgeisManual testing268269--5.793--
2020-08-03T19:26:29ViliamFManual testing269270--11.59--
2021-04-16T18:15:16-Anonymous-Manual testing270271--23.17--
2021-04-16T18:15:16-Anonymous-Manual testing271272--46.34--
2021-04-17T22:17:44-Anonymous-Manual testing272273--92.69--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.993 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.993 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.993


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-07-03T00:00:00vidmarv4_computersE8E680772F738F8E3.371
2003-11-08T00:00:00Team Prime Ribv4_computersE8E680772F738F8E3.371


PRP results:
No PRP results for M10319503


P-1 factor-bounds graph:
B1 = 300000, B2 = 18750000 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
B1 = 125000, B2 = 2531250 (P-1 stage 2)
B1 = 125000 (P-1 stage 1)
B1 = 50000, B2 = 387500 (P-1 stage 2)
B1 = 50000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-06-05T19:16:38+00:00