is 2 332222291 - 1
has 100008875 decimal digits
takes 4,941.807 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-
PRP5C29B685E5D22B94PRP-tested

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2811,474.113364.1975%2832000267669090372.29945.1427%1,846.412766.0387%
Target2811,474.113364.1975%1900000640000000790.82794.0317%2,264.941265.6410%
Difference---+932000-372330910-418.5285+1.1110%-418.5285+0.3978%

Known prime factors:
No known factors for M332222291

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-11-08Klaus Nordmannno139100003910000---84.33--2.021%
2022-11-07James Heinrich3930K2832000267669090---372.3--5.143%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-15Team_Inspectorthumbelina268269--0.180--
2009-03-01Team_Inspectorspudboy2269270--0.360--
2010-01-18Team_InspectorBush270271--0.720--
2010-01-20Team_InspectorBush271272--1.440--
2010-08-31Team_InspectorBush272273--2.879--
2010-09-06Team_InspectorBush273274--5.758--
2010-11-21Michael Peickpurple274275--11.52--
2011-02-14Sebastian HornbostelManual testing275276--23.03--
2015-10-23NRManual testing276277--46.07--
2015-10-23NRManual testing277278--92.13--
2015-10-23NRManual testing278279--184.3--
2022-11-09James HeinrichManual testing279280--368.5--
2023-03-11Mark RoseManual testing280281--737.1--


ECM factoring results:
No ECM results for M332222291


Lucas-Lehmer results:
No L-L results for M332222291


PRP results:
dateuseridcompidcofactorsres64PRP
2023-01-10FlaJunkieAMD-Ryzen_5900X5C29B685E5D22B94no


P-1 factor-bounds graph:
B1 = 2832000, B2 = 267669090 (P-1 stage 2)
B1 = 3910000 (P-1 stage 1)
B1 = 2832000 (P-1 stage 1)
105
106
107
105
106
107
108
109
TF factor-bounds graph:
281
280
279
278
277
276
275
274
273
272
271
270
269
this exponent TF target: 81
TF double-checked to: 67.9
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270
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290
Last modified: 2023-06-05T21:50:05+00:00