is 2 10010447 - 1
has 3013445 decimal digits
takes 2.920 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L78E50B871E09F8EEdouble-checked
PRPC8D24EFB02262B__
unverified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26911.926265.2174%55000550000.02330.6398%11.949565.4399%0.2226%
PrimeNet2640.355662.5000%4500013000000.04793.7450%0.403563.9044%1.4044%
GPU722685.954364.7059%6500015000000.06062.5683%6.014865.6123%0.9064%
Difference+1+5.9720+0.5115%-10000-1445000-0.0373-1.9284%+5.9347-0.1724%-0.1724%

Known prime factors (1 factor, 64.7 bits, 0.00064597% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10010447292457834808609863992064.6651460763114817
2909 × 502153013
2011-04-2329095021530130.499111.57221.610

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-08-25T00:00:00ANONYMOUSv4_computers5500055000---0.023--0.640%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-30T00:00:00ANONYMOUSv4_computers21264--0.356--
2022-03-13T06:17:09LordJuliusManual testing26426564.665200.1445.9350.292
2022-03-13T06:17:09LordJuliusManual testing265266--0.746--
2022-03-13T06:17:09LordJuliusManual testing266267--1.493--
2021-07-27T14:57:30ViliamFManual testing267268--2.986--
2022-01-08T00:30:41ViliamFManual testing268269--5.972--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CurvesCompleteFacMiss

New Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CompleteFacMiss


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2001-07-03T00:00:00ANONYMOUSv4_computers78E50B871E09F8EE2.920
2003-10-08T00:00:00ANONYMOUSv4_computers78E50B871E09F8EE2.920


PRP results:
dateuseridcompidcofactorsres64PRP
2019-12-16T11:34:51noknonLIB-srv
29245783480860986399
C8D24EFB02262B__no
2021-01-18T12:48:04Richard Thomasdjinn.pc2
29245783480860986399
C8D24EFB02262B3Cno


P-1 factor-bounds graph:
B1 = 55000 (P-1 stage 1)
102
103
104
105
102
103
104
105
106
107
108
109
TF factor-bounds graph:
269
268
267
266
265
264
250
260
270
280
290
2100
Last modified: 2022-03-13T06:17:09+00:00