is 2 3032921 - 1
has 913001 decimal digits
takes 0.258 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
Actual27078.785668.5714%3332920305609766020.937410.7572%99.723171.9523%3.3808%
PrimeNet2600.050663.3333%120002200000.00292.5202%0.053564.2574%0.9241%
GPU722641.173665.6250%130002200000.00301.4294%1.176666.1163%0.4913%
Difference+6+77.6121+2.9464%+3319920+3055877660+20.9344+9.3278%+98.5465+5.8359%+5.8359%

Known prime factors (4 factors, 191.7 bits, 0.00631931% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3032921145580209927.11724
23 × 3
-885.926e-129.873e-72.009e-6
30329214173470534719671548.56868802823
68802823
2014-04-091688028231.713e-50.46260.8640
303292114536170120655511650.369239639775
3 × 52 × 1531 × 2087
2014-05-27153120875.347e-50.00020.0004
3032921561386000913005836072065.6069254873452243
127 × 72873019309
2018-06-19127728730193094.7643489.98915.15

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
3032921607574712699831315011032375.685
30329212116178684224584362801592477.486
303292181726691342589580433290338632892.723
30329216066627768622824130047449088173098.937
30329212342927933414539617485242271424496935114.174
30329218160402412625922291124836684002245735115.974
30329218831809384813143790225508181726480275338126.054
3032921341083938218426761152281624289612986421852143141.291
30329211187993088754186005959712569547913885475351344143.091
30329213405719902054959305087777311149945283515409996291950164.542
303292149580541513662050512117338430266706471273764198086
40270071
58191.660
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-10-31T00:03:59Jocelyn LaroucheManual testing12098761209876-
skipped known factor: 145580209
skipped known factor: 1453617012065551
--0.149--2.191%
2021-10-31T11:48:32Jocelyn LaroucheManual testing15131681513168-
skipped known factor: 145580209
skipped known factor: 1453617012065551
--0.187--2.386%
2021-11-01T11:01:34Jocelyn LaroucheManual testing18164601816460-
skipped known factor: 145580209
skipped known factor: 1453617012065551
--0.224--2.553%
2021-11-01T19:25:37Jocelyn LaroucheManual testing21197522119752-
skipped known factor: 145580209
skipped known factor: 1453617012065551
--0.262--2.698%
2021-11-02T11:00:09Jocelyn LaroucheManual testing24230442423044-
skipped known factor: 145580209
skipped known factor: 1453617012065551
--0.299--2.828%
2021-11-03T11:59:25Jocelyn LaroucheManual testing27263362726336-
skipped known factor: 145580209
skipped known factor: 1453617012065551
--0.336--2.945%
2021-11-06T10:23:41Jocelyn LaroucheManual testing33329203332920-
skipped known factor: 145580209
skipped known factor: 1453617012065551
--0.411--3.150%
2021-11-07T02:34:39Jocelyn LaroucheManual testing333292012131684012-
skipped known factor: 145580209
skipped known factor: 417347053471967
skipped known factor: 1453617012065551
--1.205--7.090%
2022-03-21T19:25:04Jocelyn LaroucheManual testing33329201005919530-
skipped known factor: 145580209
skipped known factor: 417347053471967
skipped known factor: 1453617012065551
--7.152--9.488%
2022-07-24T21:08:08Jocelyn LaroucheManual testing33329203056097660-
skipped known factor: 145580209
skipped known factor: 417347053471967
skipped known factor: 1453617012065551
--20.94--10.757%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-04-09T10:32:00TJAOIManual testing??48.568154.77146e-60.5751.06197e-5
2014-05-27T11:25:00TJAOIManual testing??50.369164.01413e-60.5748.93299e-6
2021-02-08T01:45:31Jocelyn LaroucheManual testing266267--4.928--
2021-02-08T07:55:23Jocelyn LaroucheManual testing267268--9.86--
2021-09-05T14:17:22Jocelyn LaroucheManual testing268269--19.71--
2021-10-29T11:29:15Jocelyn LaroucheManual testing269270--39.42--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.349 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.349 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.349


Lucas-Lehmer results:
No L-L results for M3032921


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-27T23:25:33Oliver KruseGTX-0
145580209
417347053471967
1453617012065551
F309B94B102DE3__no
2017-12-10T18:29:43kkmrkkblmbrbkc4.xlarge
145580209
417347053471967
1453617012065551
F309B94B102DE3__no
2018-06-19T13:14:29ATHec2-PRPCF
145580209
417347053471967
1453617012065551
56138600091300583607
F309B94B102DE3__no


P-1 factor-bounds graph:
B1 = 3332920, B2 = 3056097660 (P-1 stage 2)
B1 = 3332920, B2 = 1005919530 (P-1 stage 2)
B1 = 3332920, B2 = 121316840 (P-1 stage 2)
B1 = 3332920 (P-1 stage 1)
B1 = 2726336 (P-1 stage 1)
B1 = 2423044 (P-1 stage 1)
B1 = 2119752 (P-1 stage 1)
B1 = 1816460 (P-1 stage 1)
B1 = 1513168 (P-1 stage 1)
B1 = 1209876 (P-1 stage 1)
100
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1010
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TF factor-bounds graph:
270
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268
267
2
220
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2100
Last modified: 2022-07-24T21:08:08+00:00