is 2 5210197 - 1
has 1568426 decimal digits
takes 0.823 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.703065.6716%25000002400000003.535410.2188%9.238469.1796%3.5079%
PrimeNet2620.117962.9032%220005000000.01103.0038%0.128964.0175%1.1143%
GPU722662.834565.1515%300006000000.01401.9879%2.848565.8443%0.6927%
Difference+1+2.8685+0.5201%+2470000+239400000+3.5214+8.2309%+6.3899+3.3353%+3.3353%

Known prime factors (4 factors, 172.4 bits, 0.00330887% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
521019731261183824.8983
3
-134.293e-132.539e-74.660e-7
5210197156201706071133.8631499
1499
2008-09-08114992.909e-101.892e-53.494e-5
52101971260346654311236.87512095
5 × 41 × 59
2008-09-0841592.843e-99.613e-61.911e-5
52101971282123828620799422397192476.76312303986093239847
353 × 17737 × 1965128527
2021-08-141773719651285273,577.624.52045.789

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
52101974883050118366480811858.761
521019739399927403822648731961.773
521019719686829764283851866172270.738
5210197615433587951124357133231879112995.636
5210197400807076351754483498528552757731101.661
5210197200269929423569164865711647173943334110.626
52101971615920477813352373695878896445388935113.638
52101976260674913107280176024182227536074332923941135.523
521019750515585770370648397591256527617351909068742138.536
521019725240953550789522379738047495287860476464062345147.501
521019778906206804573105359558659481288544403321024448370
09
52172.398
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-08-14T06:14:08happy5214Manual testing2500000240000000---3.535--10.219%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-08-14T06:14:08happy5214Manual testing12500008500000027P+12476.7631.459


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T01:29:00Will EdgingtonManual testing??33.863117.12622e-111.7881.54878e-10


ECM factoring results:
Exponent "5210197" not found


Lucas-Lehmer results:
Exponent "5210197" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-24T02:57:36Oliver KruseGTX-0
31261183
15620170607
126034665431
CDAF1DE84284BA__no
2018-01-22T00:06:50kkmrkkblmbrbkc4.xlarge
31261183
15620170607
126034665431
CDAF1DE84284BA__no
2021-08-15T00:27:38happy5214Manual testing
31261183
15620170607
126034665431
128212382862079942239719
CDAF1DE84284BAC1no
2021-08-15T12:13:24GURA LOVE
31261183
15620170607
126034665431
128212382862079942239719
CDAF1DE84284BAC1no


P-1 factor-bounds graph:
B1 = 2500000, B2 = 240000000 (P-1 stage 2)
B1 = 1250000, B2 = 85000000 (P+1 stage 2)
B1 = 2500000 (P-1 stage 1)
B1 = 1250000 (P+1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2021-08-15T12:13:24+00:00