is 2 619750349 - 1
has 186563445 decimal digits
takes 18,743.144 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
Actual2680.096255.8824%----0.096255.8824%0.0000%
PrimeNet279197.552462.0253%2200000160000000473.49135.8356%671.043864.2414%2.2160%
GPU722833,160.843363.8554%3600000160000000531.53984.3935%3,692.383165.4434%1.5880%
Difference-15-3,160.7471-7.9731%-3600000-160000000-531.5398-4.3935%-3,692.2869-9.5611%-9.5611%

Known prime factors (4 factors, 194.9 bits, 0.00003144% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
61975034949580027931032.2074
22
2008-04-04449.240e-130.00020.0004
619750349148740083771133.79212
22 × 3
2008-04-04441.851e-120.00020.0004
61975034931181285123516385611961.4352515632720
24 × 3 × 5 × 10481803
2016-04-2716104818030.000625.04446.774
6197503492009461285680688307212167.445162118608640
28 × 5 × 126655163
2022-08-052561266551630.0928302.62565.18

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
619750349737453750762713969612065.999
619750349154596898731723589835645008732993.642
619750349463790696132808199259902254972995.227
6197503499962914666830223533309622037533099.652
619750349298887439964717480285674894981731101.237
61975034922994755667938773508638959130482581312139127.435
61975034962657585293477356133784833133568503248139128.881
6197503491481884762137689088712298567209250283888141133.445
619750349310656482887696456393560884337271581160909371943349161.088
619750349931969448537774198593727940744245077215591109333749162.673
61975034946207071288409542426310398024921055915114013832224
529690241
59194.880
P-1 results:
No P-1 results for M619750349


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-04-27T15:42:11TJAOIManual testing261262*61.435190.00038,3960.000
2022-08-05T09:34:00TJAOIManual testing267268*67.445210.04538,3960.092
2022-08-10T19:29:51LordJuliusManual testing2126833.792111.85124e-1238,3963.79234e-12
2022-08-10T19:29:51LordJuliusManual testing2126867.445210.09338,3960.190
2022-08-10T19:29:51LordJuliusManual testing2126861.435190.00138,3960.001
2022-08-10T19:29:51LordJuliusManual testing2126832.207109.24023e-1338,3961.89290e-12
2022-08-10T19:29:51LordJuliusManual testing2126865.999200.01638,3960.032


ECM factoring results:
No ECM results for M619750349


Lucas-Lehmer results:
No L-L results for M619750349


PRP results:
No PRP results for M619750349


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
262
230
240
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:51+00:00