is 2 99840353 - 1
has 30054942 decimal digits
takes 380.780 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-daysProbability
Actual278613.143965.3846 %725000125062507.55902.8564 %620.702966.3734 %
Target276153.284764.4737 %65000011000000036.54143.8397 %189.826165.8378 %
Difference+2+459.8593+0.9109 %+75000-97493750-28.9824-0.9833 %+430.8769+0.5356 %

Known prime factors (1 factor, 82.3 bits, 0.00008243% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9984035359327276655214593574842732582.29529711071161384312
23 × 3 × 7 × 479 × 297601 × 1240621
2020-07-30297601124062113,9131.92993.3494

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-07-30Jwb52zClay7250001250625022582.2957.5593.480%


Trial Factoring results:
57585960616263646566676869707172737475767778
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-09-291997rj7compa2642650.037
2012-06-15Jimmy BrüggemanniMac22652660.075
2013-08-22zenex95desktop2662670.150
2013-08-23zenex95desktop2672680.299
2014-03-18Andreas_TruetschManual testing2682690.599
2014-03-21Andreas_TruetschManual testing2692701.198
2014-05-28SMoffatManual testing2702712.395
2017-01-30monstManual testing2712724.790
2019-03-20Niels_Mache_NextcloudManual testing2722739.58
2019-12-22riccardo ubertiManual testing27327419.16
2020-03-10ANONYMOUSGPU72_TF27427538.32
2020-04-08LaurVManual testing27527676.64
2020-04-19TheJudgerManual testing276277153.3
2020-06-21Ryan PropperManual testing277278306.6


ECM factoring results:
No ECM results for M99840353


Lucas-Lehmer results:
No L-L results for M99840353


PRP results:
No PRP results for M99840353


CERT results:
No CERT results for M99840353


P-1 factor-bounds graph:
B1 = 725000, B2 = 12506250 (P-1 stage 2)
B1 = 725000 (P-1 stage 1)
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105
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105
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107
108
TF factor-bounds graph:
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276
275
274
273
272
271
270
269
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267
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265
this exponent TF target: 76
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00