is 2 97453381 - 1
has 29336391 decimal digits
takes 371.676 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-
PRP161D3ED0E610FA__verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277314.080164.9351%805000165025009.18143.3770%323.261466.1192%1.1842%
PrimeNet2729.813262.5000%400000200000008.11755.1831%17.930764.4436%1.9436%
GPU72276157.039164.4737%600000200000009.16323.7189%166.202465.7949%1.3212%
Difference+1+157.0409+0.4614%+205000-3497500+0.0181-0.3419%+157.0591+0.3243%+0.3243%

Known prime factors:
No known factors for M97453381

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-01-13T18:19:31TheJudgerManual testing8050001650250012---9.181--3.377%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2011-01-19T01:40:00Architects Cubeda3_bu2264265--0.038--
2014-03-21T13:26:00Carsten KossendeyManual testing265267--0.230--
2014-04-12T13:14:00Carsten KossendeyManual testing267268--0.307--
2014-06-22T14:04:00Thomas SprengerElara268269--0.613--
2014-10-14T07:20:00ANONYMOUS269270--1.227--
2014-10-16T23:08:00HinespC742F5B97270271--2.454--
2019-01-07T17:07:55Niels_Mache_NextcloudManual testing271272--4.908--
2019-04-05T06:08:39Niels_Mache_NextcloudManual testing272273--9.82--
2019-10-14T13:29:11George WoltmanManual testing273274--19.63--
2019-10-26T06:22:06bayanneManual testing274275--39.26--
2019-10-26T15:10:50penluManual testing275276--78.52--
2020-07-28T13:20:041997rj7Manual testing276277--157.0--


ECM factoring results:
No ECM results for M97453381


Lucas-Lehmer results:
No L-L results for M97453381


PRP results:
dateuseridcompidcofactorsres64PRP
2020-08-01T07:45:20Ben Deloi-029ddc31cedc3cbea161D3ED0E610FA__no


P-1 factor-bounds graph:
B1 = 805000, B2 = 16502500 (P-1 stage 2)
B1 = 805000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2020-08-01T07:45:20+00:00