is 2 109789403 - 1
has 33049904 decimal digits
takes 481.853 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
Actual276139.394164.4737%8070002427900013.27394.0685%152.668065.9191%1.4454%
PrimeNet2728.710662.5000%4500002400000011.02915.5062%19.739764.5648%2.0648%
GPU72276139.394164.4737%7000002400000012.53343.9871%151.927465.8902%1.4165%
Difference---+107000+279000+0.7406+0.0814%+0.7406+0.0289%+0.0289%

Known prime factors (1 factor, 134.3 bits, 0.00012231% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1097894032647219354676705115857071712523439157341741134.282120558964815425087786344539669436
22 × 593 × 911 × 1019 × 2333 × 4547 × 11939 × 251233 × 1720711
2021-11-0125123317207111.338e+92.10833.2539

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-10-12T15:47:32yphysicsManual testing80700024279000641134.28213.27963.726.554.069%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-29T18:23:00Donna NobleGMS-E7200263264--0.018--
2010-09-16T00:28:00Donna Nobleph2-940-1264265--0.034--
2012-05-26T03:58:00omiXorpLLB03-z800-14265266--0.068--
2013-09-28T06:52:00Phenom factoryManual testing266268--0.408--
2013-09-28T06:52:00Phenom factoryManual testing268269--0.545--
2013-09-28T06:52:00Phenom factoryManual testing269270--1.089--
2013-09-30T00:25:00TzarTzar270271--2.178--
2018-02-21T18:14:34el groccoManual testing271272--4.356--
2020-05-04T08:49:08TheGazManManual testing272273--8.712--
2020-04-11T15:58:02Architects CubedGPU72_TF272273--8.712--
2020-09-25T00:57:22TomManual testing273274--17.42--
2021-03-21T15:46:01-Anonymous-274275--34.85--
2021-03-26T01:21:01RichD0GPU72_TF275276--69.70--


ECM factoring results:
No ECM results for M109789403


Lucas-Lehmer results:
No L-L results for M109789403


PRP results:
No PRP results for M109789403


P-1 factor-bounds graph:
B1 = 807000, B2 = 24279000 (P-1 stage 2)
B1 = 807000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-11-01T10:43:33+00:00