is 2 332197973 - 1
has 100001555 decimal digits
takes 4,941.445 GHz-days to do one PRP test
Last-known PrimeNet details:
Assigned as prp on 2023-03-16, 0.0% done
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2811,474.221264.1975%300000079500000154.60334.2349%1,628.824565.7137%
Target2811,474.221264.1975%1900000640000000790.82794.0317%2,265.049165.6410%
Difference---+1100000-560500000-636.2246+0.2033%-636.2246+0.0728%

Known prime factors:
No known factors for M332197973

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-06-19aurashiftusslcburnin30300000079500000---154.6--4.235%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-10-26Team_Inspectorthumbelina268269--0.180--
2008-10-26Team_Inspectorthumbelina269270--0.360--
2009-01-10Team_InspectorBush270271--0.720--
2009-10-03SunfishServer01271272--1.440--
2009-10-05SunfishServer01272273--2.879--
2009-10-08SunfishServer01273274--5.759--
2009-10-15SunfishServer01274275--11.52--
2010-05-12SiCPU87i7-920275276--23.03--
2010-12-21amphoriaManual testing276277--46.07--
2010-12-21amphoriaManual testing277278--92.14--
2010-12-21amphoriaManual testing278279--184.3--
2021-01-15Random GPUsManual testing279280--368.6--
2023-03-14el groccoGPU72_TF280281--737.1--


ECM factoring results:
No ECM results for M332197973


Lucas-Lehmer results:
No L-L results for M332197973


PRP results:
No PRP results for M332197973


P-1 factor-bounds graph:
B1 = 3000000, B2 = 79500000 (P-1 stage 2)
B1 = 3000000 (P-1 stage 1)
105
106
107
105
106
107
108
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
250
260
270
280
290
Last modified: 2023-07-26T15:47:06+00:00