is 2 99402031 - 1
has 29922993 decimal digits
takes 379.108 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
Actual277307.922964.9351%760000136800008.09573.2325%316.018666.0685%1.1335%
PrimeNet2729.620962.5000%400000200000008.11755.1954%17.738364.4483%1.9483%
GPU72276153.960664.4737%6500002200000010.02733.8376%163.987965.8370%1.3634%
Difference+1+153.9624+0.4614%+110000-8320000-1.9316-0.6051%+152.0307+0.2315%+0.2315%

Known prime factors (1 factor, 79.7 bits, 0.00008015% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
994020319602989735285888680898632479.6684830379036865901
32 × 17 × 103 × 93719 × 3270581
2020-06-289371932705811,493.21.47551.8405

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-06-28T18:46:33Jwb52zClay760000136800002479.6688.096758.216.193.233%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-05T12:45:001997rj7compa264265--0.038--
2012-10-13T07:06:00Jimmy BrüggemanniMac2265266--0.075--
2013-09-27T14:53:00g0bManual testing266267--0.150--
2013-09-28T06:40:00Travis Glenn Russoi5-spare267268--0.301--
2014-03-24T17:40:00ANONYMOUS268269--0.601--
2014-04-08T16:18:00ANONYMOUS269270--1.203--
2014-04-27T14:06:00ANONYMOUSManual testing270271--2.406--
2017-01-07T02:45:44monstManual testing271272--4.811--
2019-04-14T13:18:54Niels_Mache_NextcloudManual testing272273--9.62--
2019-11-29T18:46:33el groccoManual testing273274--19.25--
2020-03-14T11:53:02mankoolGPU72_TF274275--38.49--
2020-05-11T16:29:02TheJudgerManual testing275276--76.98--
2020-05-11T16:29:02TheJudgerManual testing276277--154.0--


ECM factoring results:
No ECM results for M99402031


Lucas-Lehmer results:
No L-L results for M99402031


PRP results:
No PRP results for M99402031


P-1 factor-bounds graph:
B1 = 760000, B2 = 13680000 (P-1 stage 2)
B1 = 760000 (P-1 stage 1)
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108
TF factor-bounds graph:
277
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2100
Last modified: 2020-06-28T19:43:09+00:00