is 2 97686679 - 1
has 29406621 decimal digits
takes 372.566 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-
PRP35092E9AC5F127__verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277313.330064.9351%70500084600006.23532.8759%319.565365.9435%1.0084%
PrimeNet2729.789862.5000%400000200000008.11755.1846%17.907364.4442%1.9442%
GPU72276156.664164.4737%600000200000009.16323.7200%165.827365.7953%1.3216%
Difference+1+156.6659+0.4614%+105000-11540000-2.9279-0.8441%+153.7380+0.1482%+0.1482%

Known prime factors:
No known factors for M97686679

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-04-10T12:45:11noknoleo2237050008460000---6.235--2.876%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2011-01-19T00:40:00Architects Cubedm1_fw264265--0.038--
2014-03-26T23:09:00ANONYMOUS265266--0.076--
2014-05-27T00:41:00S00030vd01266267--0.153--
2014-06-01T03:04:00CSLatDDikenny-24267268--0.306--
2014-06-16T15:51:00Preben SManual testing268269--0.612--
2014-11-29T02:22:00shaugeManual testing269270--1.224--
2014-11-29T02:22:00shaugeManual testing270271--2.448--
2019-01-05T12:16:23Niels_Mache_NextcloudManual testing271272--4.896--
2019-03-26T09:47:26Niels_Mache_NextcloudManual testing272273--9.79--
2019-10-24T21:52:29ixfd64Manual testing273274--19.58--
2019-10-27T22:21:25BytesInFlamesManual testing274275--39.17--
2020-01-19T22:43:18TheJudgerManual testing275276--78.33--
2020-02-02T21:39:22TheJudgerManual testing276277--156.7--


ECM factoring results:
No ECM results for M97686679


Lucas-Lehmer results:
No L-L results for M97686679


PRP results:
dateuseridcompidcofactorsres64PRP
2020-07-28T19:33:17Ben Deloi-090eda74b2a8609f435092E9AC5F127__no


P-1 factor-bounds graph:
B1 = 705000, B2 = 8460000 (P-1 stage 2)
B1 = 705000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2020-07-28T19:33:17+00:00