is 2 34023937 - 1
has 10242226 decimal digits
takes 40.262 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2693.508962.3188%285000288105303.15576.1849%6.664664.6494%2.3306%
PrimeNet2670.873361.1940%15000055000000.75755.1852%1.630863.2062%2.0122%
GPU7227114.051263.3803%24000070000001.04373.8406%15.095064.7867%1.4064%
Difference-2-10.5423-1.0614%+45000+21810530+2.1119+2.3443%-8.4304-0.1373%+0.9241%

Known prime factors (3 factors, 121.6 bits, 0.00035753% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
34023937204143623927.6053
3
-135.259e-131.903e-63.492e-6
34023937389233839291135.180572
22 × 11 × 13
2008-09-0911131.512e-101.906e-53.841e-5
340239375240371452989901291858.8627701006872
23 × 132 × 131 × 43481
2015-10-07169434810.00180.00430.0076

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
3402393779459606146860347671962.785
340239371069788414279132631752973672786.467
34023937203972989995297502870482368412994.042
34023937416397851717827851988331704448381494337121.647
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-01T10:13:11masserManual testing28500028810530-
skipped known factor: 204143623
skipped known factor: 38923383929
skipped known factor: 524037145298990129
--3.156--6.185%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T20:48:00Will EdgingtonManual testing??35.180111.66565e-1182.913.43010e-11
2015-10-07T11:44:13TJAOIManual testing258259*58.862180.00182.910.001
2022-11-25T06:49:08LordJuliusManual testing2126627.60595.25861e-1382.911.08292e-12
2022-11-25T06:49:08LordJuliusManual testing2126635.180111.51190e-1082.913.11348e-10
2022-11-25T06:49:08LordJuliusManual testing2126658.862180.00282.910.004
2022-11-25T06:49:08LordJuliusManual testing2126662.785190.04082.860.082
2022-11-25T06:49:08LordJuliusManual testing266267--0.439--
2022-11-24T16:00:00masserManual testing267269--2.636--


ECM factoring results:
No ECM results for M34023937


Lucas-Lehmer results:
No L-L results for M34023937


PRP results:
No PRP results for M34023937


P-1 factor-bounds graph:
B1 = 285000, B2 = 28810530 (P-1 stage 2)
B1 = 285000 (P-1 stage 1)
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TF factor-bounds graph:
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2100
Last modified: 2022-11-25T06:49:08+00:00