is 2 15107 - 1
has 4548 decimal digits
takes 0.000 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-daysProbabilityProb over default TF
Actual2671,966.897379.1045%4000000004000000000.13827.8878%1,967.035580.7527%1.6482%
PrimeNet2400.000065.0000%500100000.00003.4340%0.000066.2019%1.2019%
GPU722440.000268.1818%500100000.00001.4332%0.000268.6378%0.4560%
Difference+23+1,966.8971+10.9227%+399999500+399990000+0.1382+6.4546%+1,967.0354+12.1148%+1.1922%

Known prime factors (5 factors, 338.2 bits, 2.23887081% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
151072084767720.99169
3 × 23
-3239.385e-121.413e-92.110e-9
15107156666187831191443.833518521837
19 × 3469 × 7867
2008-08-26346978679.028e-51.282e-62.440e-6
15107323804361641991444.8801071703057
1071703057
2008-08-26110717030570.00020.02020.0377
151071496916543098861636794494815927224935113.528495438056231833466867841006132
22 × 32 × 2927 × 6229 × 17467 × 43214300622679117
2017-08-2817467432143006226791179.282e+12813,6531,519,678
151074137350968207413844143475719885433735114.9941369348966772825128795748897824
25 × 17 × 23 × 1721 × 10758486899 × 5910923477813
2013-11-201075848689959109234778138.612e+12114.81207.86

26 Composite Factors:
exponentprime factorscomposite factordigitsbits*
15107326612498406266482732064.824
15107675056647607286566332065.872
151075072919494156257974533566812788.713
15107105758551550736594687944204777832734109.704
151073120722210806584477955148573916152873098341134.519
151078625412765936865537613461446118395958447941135.986
1510723451620830874187813551520928980134062500636463148157.360
1510748470810566946130363369366439482540812490801355148158.408
1510764818300390873850335729093507514655823187553710348158.827
15107133969228914927090334490936159818782984561528106349159.874
1510748891165204719087905494363632547127149077264377267
5977
54178.352
1510710105034633322058335925046396394069816203401046866
77617
55179.399
1510713513105365098090434286693508438080647653924678596
10001
55179.818
1510727929462745728580533536566550509692474637538326558
67321
55180.866
1510775937371126112115135739572094084796129983089188121
79182045569
61202.240
1510720988448380785658007507497769344752567851508704245
048224775497
62203.707
1510715831172539047137593519038049586887817351645489745
310356815594747423
68223.232
1510743756024565465373887337383602103551776622086246822
836452420538554199
68224.699
1510761932691089157701272558652864886877801460828645734
5252869946477393913
69228.522
1510712911523060387003340888828505717162157351808735328
20290789919707837075823271
76249.513
1510797027586150650476064538015989364800062551350135838
28053016612224035685926477754647
82272.355
1510720054075502895271841118094065905444356515835165922
400718468751410671388327671120687
83273.402
1510720227990969653314103363872598010008613200499056864
116458603283616466204841885249122162249
89293.346
1510741808074823944467190392245611495495514800448131354
545578639943472171158229713939261274929
89294.393
1510731417955595174567169279626156316812765159507952579
7189001160001534479900432849233212606927282753
96317.235
1510765499117032285296873797578383026132797983291915775
76283223813329190330585856897973769469059704831235
51
102338.226
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-08-11T17:54:45H Michaelson100000010000002064.8240.0007.20100e-60.0011.320%
2021-08-11T17:57:21H Michaelson10000000100000002064.8240.0037.20100e-60.0073.166%
2021-08-11T17:59:00H Michaelson10001000100010002064.8240.0037.20100e-60.0073.166%
2021-08-27T05:48:52Seth_TrManual testing400000000400000000-
skipped known factor: 2084767
skipped known factor: 15666618783119
--0.138--7.888%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-08-26T19:58:00ANONYMOUSManual testing??43.833141.27095e-57.55266e-62.66604e-5
2008-08-26T19:58:00ANONYMOUSManual testing??44.880145.56398e-57.55266e-60.000


ECM factoring results:
Total ECM effort:20.196 GHz-days
Estimated T-Level:36.409
DigitsB1CompleteFacMiss
2011000440.0350.000%
255000096.3990.000%
3025000016.6470.000%
3510000002.3659.399%
4030000000.28275.436%
45110000000.02997.108%
50440000000.00399.733%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000050000001480.037
250000250000005710.710
10000001000000007083.521
10000001000000005092.531
300000030000000089813.40


Lucas-Lehmer results:
No L-L results for M15107


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T19:14:39Oliver KruseOliver-PC
2084767
15666618783119
32380436164199
14969165430988616367944948159272249
41373509682074138441434757198854337
D55A83B21F23E957no
2017-09-21T19:22:15Oliver KruseManual testing
2084767
15666618783119
32380436164199
14969165430988616367944948159272249
41373509682074138441434757198854337
D55A83B21F23E957no
2017-10-02T10:06:02kkmrkkblmbrbkManual testing
2084767
15666618783119
32380436164199
14969165430988616367944948159272249
41373509682074138441434757198854337
D55A83B21F23E9__no
2017-12-07T02:54:45ATHManual testing
2084767
15666618783119
32380436164199
14969165430988616367944948159272249
41373509682074138441434757198854337
D55A83B21F23E9__no
2020-04-17T13:47:30Oliver KruseManual testing
2084767
15666618783119
32380436164199
14969165430988616367944948159272249
41373509682074138441434757198854337
D95771BAB60A59__no


P-1 factor-bounds graph:
B1 = 400000000 (P-1 stage 1)
B1 = 10001000 (P-1 stage 1)
B1 = 10000000 (P-1 stage 1)
B1 = 1000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
109
1010
1011
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
2110
2120
Last modified: 2021-12-01T23:19:58+00:00