is 2 102307399 - 1
has 30797596 decimal digits
takes 407.347 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
Actual276149.588364.4737%7370001991700010.28793.8406%159.876365.8381%1.3644%
PrimeNet2729.347662.5000%450000220000009.37655.3793%18.724164.5173%2.0173%
GPU72276149.588364.4737%6500002200000010.46823.8511%160.056665.8418%1.3682%
Difference---+87000-2083000-0.1803-0.0105%-0.1803-0.0037%-0.0037%

Known prime factors (1 factor, 88.3 bits, 0.00008629% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1023073993767598135524014172506979532788.2841841312638357668624
24 × 3 × 37 × 79 × 149 × 10831 × 8132099		2021-01-23108318132099918,2862.61704.7775

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-01-23T18:09:48Jwb52zClay737000199170002788.28410.29814.720.583.841%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-26T00:27:001997rj7Manual testing263264--0.019--
2010-08-18T01:52:00Donna NoblePhenom9550264265--0.037--
2012-04-21T21:47:00sasaki3home3265266--0.073--
2013-09-07T01:28:00processinfoManual testing266267--0.146--
2014-05-03T04:55:00qwertyuio999PC1267268--0.292--
2014-05-08T04:50:00qwertyuio999PC1268269--0.584--
2014-05-13T08:04:00qwertyuio999PC1269270--1.169--
2014-06-09T03:02:00Choi4KANGboksa04270271--2.337--
2014-12-10T08:58:00shaugeManual testing271272--4.675--
2020-03-06T07:14:54el groccoManual testing272273--9.349--
2020-03-29T16:51:26SRBaseManual testing273274--18.70--
2020-10-31T17:31:07Luigi MorelliManual testing274275--37.40--
2020-10-31T17:31:07Luigi MorelliManual testing275276--74.80--


ECM factoring results:
No ECM results for M102307399


Lucas-Lehmer results:
No L-L results for M102307399


PRP results:
No PRP results for M102307399


P-1 factor-bounds graph:
B1 = 737000, B2 = 19917000 (P-1 stage 2)
B1 = 737000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-01-23T18:14:53+00:00