is 2 194968717 - 1
has 58691433 decimal digits
takes 1,594.952 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27678.494663.1579%----78.494663.1579%0.0000%
PrimeNet27419.623062.1622%8000004500000038.05435.8191%57.677364.3640%2.2018%
GPU72278313.981264.1026%12000004500000042.54054.2489%356.521765.6278%1.5252%
Difference-2-235.4866-0.9447%-1200000-45000000-42.5405-4.2489%-278.0271-2.4699%-2.4699%

Known prime factors (2 factors, 149.1 bits, 0.00007647% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
194968717172852083116934082783512373.87244328158326275
3 × 52 × 17 × 18043 × 1926907
2020-05-2318043192690715.3221.44772.3259
194968717442962998501991943927992375.230113598480135147
3 × 7 × 5409451435007
2022-06-127540945143500765.4713,495,9336,529,430

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
19496871776567077034792659094036015594080692742199444945149.102
P-1 results:
No P-1 results for M194968717


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-08-06T11:06:00sasaki3mate_ma1263264--0.010--
2011-04-19T23:15:00Pool Partydesk_1264265--0.019--
2013-06-22T08:32:00gucsecho3265266--0.038--
2015-09-11T16:55:00demfloroManual testing266268--0.230--
2015-09-11T16:55:00demfloroManual testing268269--0.307--
2015-09-11T16:55:00demfloroManual testing269270--0.613--
2015-09-11T16:55:00demfloroManual testing270271--1.226--
2015-09-11T16:55:00demfloroManual testing271272--2.453--
2017-08-02T17:50:46KEPManual testing272273--4.906--
2020-05-23T17:58:39loneTFerManual testing273274*73.872235.5113,25211.24
2022-06-12T01:04:35LordJuliusManual testing27327473.872235.5113,25211.24
2022-06-12T01:19:23LordJuliusManual testing274275--19.62--
2022-06-12T02:09:06LordJuliusManual testing27527675.2302326.223,25253.47
Missing TF 76 - 77
Missing TF 77 - 78
Missing TF 78 - 79
Missing TF 79 - 80
2020-05-23T15:22:12La GüiraManual testing280281--1,256--


ECM factoring results:
No ECM results for M194968717


Lucas-Lehmer results:
No L-L results for M194968717


PRP results:
No PRP results for M194968717


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
281
276
275
274
273
272
271
270
269
268
266
265
264
250
260
270
280
290
2100
Last modified: 2022-06-12T02:09:06+00:00