is 2 32107189 - 1
has 9665227 decimal digits
takes 35.340 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LD2D4A7A0B36E34F7double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27114.890164.7887 %32000016000000.62202.7941 %15.512165.7726 %
Target27114.890164.7887 %220000350000003.37543.7618 %18.265566.1133 %
Difference---+100000-33400000-2.7534-0.9677 %-2.7534-0.3407 %

Known prime factors (1 factor, 68.1 bits, 0.00021211% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
321071893170149617200479850472168.1034936822119807
3 × 1645607373269
2012-08-26316456073732692.6169143,094267,259

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2006-07-10ANONYMOUSv4_computers3200001600000--0.6222.794%
2012-08-26krackerManual testing2168.1031.3730.000%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-08-31Net_Forcev4_computers212560.000
2005-11-27Team Prime Ribv4_computers212670.465
2012-02-15Carsten KossendeyManual testing2672680.931
2022-02-09masserManual testing268269
68.103
21
2022-02-27masserManual testing269270
2022-03-15masserManual testing270271


ECM factoring results:
No ECM results for M32107189


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2006-07-25ANONYMOUSv4_computersD2D4A7A0B36E34F735.34


PRP results:
No PRP results for M32107189


CERT results:
No CERT results for M32107189


P-1 factor-bounds graph:
B1 = 320000, B2 = 1600000 (P-1 stage 2)
B1 = 320000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
271
270
269
268
267
256
this exponent TF target: 71
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00