is 2 998412593 - 1
has 300552139 decimal digits
takes 47,355.264 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2731.915958.9041 %----1.915958.9041 %
Target2857,848.193764.7059 %550000014000000005,603.46954.4839 %13,451.663266.2884 %
Difference-12-7,846.2778-5.8018 %-5500000-1400000000-5,603.4695-4.4839 %-13,449.7473-7.3843 %

Known prime factors (1 factor, 72.9 bits, 0.00000730% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
99841259386731310520374607407032272.8774343460365407
373 × 54163 × 214993
2020-06-04541632149931.18334.32777.5811

P-1 results:
No P-1 results for M998412593


Trial Factoring results:
5758596061626364656667686970717273747576777879808182838485
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-08-11lindedskynet-mersenne2642650.004
2010-11-10lindeequad2652660.007
2010-12-11lindeed1jcqfj12662670.015
2011-04-09lindeeManual testing2672690.090
2012-01-06lindeeManual testing2692710.359
2020-06-04ViliamFManual testing271273
72.877
22
1.319


ECM factoring results:
No ECM results for M998412593


Lucas-Lehmer results:
No L-L results for M998412593


PRP results:
No PRP results for M998412593


CERT results:
No CERT results for M998412593


P-1 factor-bounds graph:
103
104
105
103
104
105
106
TF factor-bounds graph:
273
271
269
267
266
265
this exponent TF target: 85
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-04-17T15:19:26+00:00