is 2 332228921 - 1
has 100010871 decimal digits
takes 4,941.905 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
Actual279368.520663.2911 %3000000300000064.70632.2459 %433.226864.1156 %
Target2811,474.083964.1975 %1900000400000000508.79794.0317 %1,982.881865.6410 %
Difference-2-1,105.5633-0.9064 %+1100000-397000000-444.0916-1.7858 %-1,549.6549-1.5254 %

Known prime factors (1 factor, 92.6 bits, 0.00002787% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33222892174648525203847483183622132732892.59211234501346113615916
22 × 32 × 101 × 5701 × 226799 × 2389669
2015-06-2422679923896693,018,9257.43349.956

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2015-06-24aurashiftusslcburnin363000000300000012892.59268.581.832%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2009-01-03Team_Inspectorthumbelina2682690.180
2009-03-14Team_Inspectorspudboy22692700.360
2010-04-29Grant McCrackenJana-Laptop2702710.720
2010-10-10Team_Inspectorthumbelina2712721.440
2010-11-23Team_Inspectorthumbelina2722732.879
2011-01-14Team_Inspectorthumbelina2732745.758
2011-03-18Sebastian HornbostelManual testing27427511.52
2011-03-26TheJudgerManual testing27527623.03
2011-03-26TheJudgerManual testing27627746.07
2011-03-26TheJudgerManual testing27727892.13
2011-03-26TheJudgerManual testing278279184.3


ECM factoring results:
No ECM results for M332228921


Lucas-Lehmer results:
No L-L results for M332228921


PRP results:
No PRP results for M332228921


CERT results:
No CERT results for M332228921


P-1 factor-bounds graph:
B1 = 3000000 (P-1 stage 1)
104
105
106
107
104
105
106
107
TF factor-bounds graph:
279
278
277
276
275
274
273
272
271
270
269
268
this exponent TF target: 81
TF double-checked to: 67
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00