is 2 104819189 - 1
has 31553721 decimal digits
takes 417.348 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP0C0F8E3436E5E8__verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276146.003764.4737%130000013000007.50531.9220%153.509165.1565%0.6828%
PrimeNet2729.123762.5000%450000220000009.37655.3948%18.500164.5231%2.0231%
GPU72276146.003764.4737%6500002400000011.09733.9262%157.101165.8685%1.3948%
Difference---+650000-22700000-3.5920-2.0042%-3.5920-0.7120%-0.7120%

Known prime factors:
No known factors for M104819189

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-01-13T12:43:09andrea.biancalanainfo113000001300000---7.505--1.922%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-19T12:56:00Dalos Leedalosdesk263264--0.019--
2010-08-29T21:24:00Mr-Plonklinux-samprom264265--0.036--
2012-05-16T18:08:00Richard8F02265266--0.071--
2013-09-09T21:36:00willmoreManual testing266267--0.143--
2013-09-12T15:41:00Cow_tippingManual testing267268--0.285--
2013-09-15T16:47:00ANONYMOUSManual testing268269--0.570--
2013-09-24T12:53:00David HruskaDesktopII269270--1.141--
2014-05-16T21:36:00Andreas_TruetschManual testing270271--2.281--
2014-12-28T08:16:00shaugeManual testing271272--4.563--
2019-12-22T16:26:47storm5510Manual testing272274--27.38--
2020-04-28T00:50:09Mark RoseManual testing274275--36.50--
2021-03-19T03:12:18yoyorocks1Manual testing275276--73.00--


ECM factoring results:
No ECM results for M104819189


Lucas-Lehmer results:
No L-L results for M104819189


PRP results:
dateuseridcompidcofactorsres64PRP
2020-03-08T11:37:58andrea.biancalanainfo10C0F8E3436E5E8__no


P-1 factor-bounds graph:
B1 = 1300000 (P-1 stage 1)
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107
TF factor-bounds graph:
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Last modified: 2021-03-19T03:12:18+00:00