is 2 2802341 - 1
has 843589 decimal digits
takes 0.216 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26710.603267.1642%1000000710000000.53917.4664%11.142469.6158%2.4517%
PrimeNet2590.027462.7119%120002400000.00272.9276%0.030163.8035%1.0916%
GPU722630.569565.0794%150002600000.00321.7900%0.572765.7045%0.6251%
Difference+4+10.0337+2.0848%+985000+70740000+0.5359+5.6764%+10.5697+3.9114%+3.9114%

Known prime factors (2 factors, 115.6 bits, 0.00412442% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2802341594337069138731445.75610604296
23 × 233 × 5689
-23356892.178e-65.938e-56.479e-5
280234110450265871443520708072269.824186456000027183
3 × 17 × 127 × 35089 × 820411
2018-05-143508982041156.4830.00870.0093

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
28023416210980389754238281020488074660551135115.580
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-09-10T07:15:33Dylan Delgadolaptop-i78750100000071000000-
skipped known factor: 59433706913873
skipped known factor: 1045026587144352070807
--0.539--7.466%


Trial Factoring results:
No TF results for M2802341


ECM factoring results:

Old Calculation Method

Total ECM effort:0.208 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.208 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.208


Lucas-Lehmer results:
No L-L results for M2802341


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-21T16:29:00Oliver KruseGTX-0
59433706913873
C75F15F503F31D__no
2017-12-07T00:19:48kkmrkkblmbrbkold
59433706913873
C75F15F503F31D__no
2018-05-15T06:56:01BattlemaxxWork
59433706913873
1045026587144352070807
C75F15F503F31D__no


P-1 factor-bounds graph:
B1 = 1000000, B2 = 71000000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
101
102
103
104
105
106
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
240
250
260
270
280
290
2100
Last modified: 2021-09-10T07:15:33+00:00