is 2 998365661 - 1
has 300538011 decimal digits
takes 47,353.038 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
Actual2743.832159.4595 %----3.832159.4595 %
Target2857,848.562664.7059 %550000014000000005,603.46954.4839 %13,452.032266.2884 %
Difference-11-7,844.7305-5.2464 %-5500000-1400000000-5,603.4695-4.4839 %-13,448.2000-6.8290 %

Known prime factors (1 factor, 73.6 bits, 0.00000737% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
998365661142204748792242952932572373.5907121877000948
22 × 32 × 197829916693		2020-06-1491978299166932.6576741,2711,384,489

P-1 results:
No P-1 results for M998365661


Trial Factoring results:
5758596061626364656667686970717273747576777879808182838485
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-08-11lindedskynet-node0512642650.004
2010-11-04lindeequad2652660.007
2010-12-11lindeed1jcqfj12662670.015
2011-04-10lindeeManual testing2672690.090
2012-01-10lindeeManual testing2692710.359
2020-06-14ViliamFManual testing271274
73.590
23
2.568


ECM factoring results:
No ECM results for M998365661


Lucas-Lehmer results:
No L-L results for M998365661


PRP results:
No PRP results for M998365661


CERT results:
No CERT results for M998365661


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
274
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