is 2 998400757 - 1
has 300548576 decimal digits
takes 47,354.703 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
Actual2720.957958.3333 %----0.957958.3333 %
Target2857,848.286764.7059 %550000014000000005,603.46954.4839 %13,451.756366.2884 %
Difference-13-7,847.3289-6.3725 %-5500000-1400000000-5,603.4695-4.4839 %-13,450.7984-7.9551 %

Known prime factors (1 factor, 71.3 bits, 0.00000714% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
99840075729191745459414218856332271.3061461925246688
25 × 45685163959		2020-06-0432456851639590.5170171,183319,722

P-1 results:
No P-1 results for M998400757


Trial Factoring results:
5758596061626364656667686970717273747576777879808182838485
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-08-11lindedskynet-node0052642650.004
2010-11-09lindeequad2652660.007
2010-12-09lindeed1jcqfj12662670.015
2011-04-09lindeeManual testing2672690.090
2012-01-07lindeeManual testing2692710.359
2020-06-04ViliamFManual testing271272
71.306
22
0.147


ECM factoring results:
No ECM results for M998400757


Lucas-Lehmer results:
No L-L results for M998400757


PRP results:
No PRP results for M998400757


CERT results:
No CERT results for M998400757


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
272
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