is 2 322161223 - 1
has 96980192 decimal digits
takes 4,600.865 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
Actual27795.008862.3377 %1000005000002.52211.1710 %97.530962.7787 %
Target2811,520.149764.1975 %1900000400000000488.48874.0178 %2,008.638565.6360 %
Difference-4-1,425.1409-1.8599 %-1800000-399500000-485.9667-2.8468 %-1,911.1075-2.8573 %

Known prime factors (1 factor, 81.3 bits, 0.00002523% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
32216122329204273649144545637707532581.2724532555683950912
26 × 32 × 379 × 65381 × 317563
2019-03-13653813175631,520.11.63842.7554

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-03-13MadPooManual testing10000050000022581.2723.0460.692%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-11-07tscc022642650.012
2012-04-02Never Odd Or EvenManual testing2652690.348
2012-04-02Never Odd Or EvenManual testing2692700.371
2012-04-19Never Odd Or EvenManual testing2702710.742
2012-04-19Never Odd Or EvenManual testing2712721.485
2012-10-12Never Odd Or EvenManual testing2722732.969
2016-12-08mikrManual testing2732745.938
2016-12-08mikrManual testing27427511.88
2016-12-08mikrManual testing27527623.75
2016-12-08mikrManual testing27627747.50


ECM factoring results:
No ECM results for M322161223


Lucas-Lehmer results:
No L-L results for M322161223


PRP results:
No PRP results for M322161223


CERT results:
No CERT results for M322161223


P-1 factor-bounds graph:
B1 = 100000, B2 = 500000 (P-1 stage 2)
B1 = 100000 (P-1 stage 1)
103
104
105
103
104
105
106
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
265
this exponent TF target: 81
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00