is 2 5903899 - 1
has 1777251 decimal digits
takes 1.046 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L9B499F541DA46D4Adouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.032965.6716%7000011200000.03272.5256%5.065666.5386%0.8670%
PrimeNet2620.104162.9032%260006000000.01473.3209%0.118864.1352%1.2320%
GPU722662.501565.1515%400008000000.02092.3415%2.522465.9675%0.8160%
Difference+1+2.5315+0.5201%+30000+320000+0.0118+0.1841%+2.5432+0.5711%+0.5711%

Known prime factors (1 factor, 76.1 bits, 0.00128961% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5903899831043213783899050126472376.1377038087997303977
3 × 20357 × 115244354887
2011-06-17203571152443548872,893.51,613.53,013.5

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-01-08T00:00:00ANONYMOUSv4_computers2500025000---0.006--0.454%
2001-06-09T00:00:00ANONYMOUSv4_computers30000345000---0.012--1.520%
2011-06-15T17:44:00harleeP4_2600700001120000---0.033--2.526%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-05-16T00:00:00ANONYMOUSv4_computers21262--0.104--


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)
1999-01-10T00:00:00ANONYMOUSv4_computersE384E8FA8307F9__1.046
1999-12-15T00:00:00ANONYMOUSv4_computers9B499F541DA46D4A1.046
2001-02-18T00:00:00ANONYMOUSv4_computers079208A9E00A30__1.046
2001-06-17T00:00:00ANONYMOUSv4_computers9B499F541DA46D4A1.046


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T16:56:54kkmrkkblmbrbkManual testing
83104321378389905012647
9D9D3AC0523E6C__no
2018-09-12T04:45:24krackerGRID-11
83104321378389905012647
9D9D3AC0523E6C__no


P-1 factor-bounds graph:
B1 = 70000, B2 = 1120000 (P-1 stage 2)
B1 = 70000 (P-1 stage 1)
B1 = 30000, B2 = 345000 (P-1 stage 2)
B1 = 30000 (P-1 stage 1)
B1 = 25000 (P-1 stage 1)
103
104
105
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
262
250
260
270
280
290
2100
Last modified: 2018-09-12T04:45:24+00:00