is 2 760183 - 1
has 228838 decimal digits
takes 0.015 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
Actualunknown500000150000000.037438.0785%0.037438.0785%38.0785%
PrimeNet2400.000050.0000%70002800000.000621.9885%0.000660.9943%10.9943%
GPU722440.000054.5455%130005000000.001117.0212%0.001162.2823%7.7369%
Difference-440.0000-54.5455%+487000+14500000+0.0362+21.0573%+0.0362-24.2038%-24.2038%

Known prime factors (3 factors, 206.1 bits, 0.02710869% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
760183168532571111133.97211085
3 × 5 × 739
-57392.107e-91.303e-62.179e-6
76018362305279266761588690472272.4004098044764665981
32 × 455338307185109
2015-11-0694553383071851092,048.1718,4351,341,837
76018310321536768104097547052695648973199.704678885003223177678733456
24 × 7 × 89 × 167 × 64279529 × 6344523769
2020-08-256427952963445237692.160e+1111.77118.697

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
76018310500468908553906105393207054321733106.372
7601831739515129334983399731035000377224123256741133.676
76018364308623079887364469888213334267995694340252910431
59
52172.103
76018310838097592197304463311922767508371184153572498162
6964024653649
63206.076
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
unknown50000015000000-
skipped known factor: 16853257111
--0.037--29.588%


Trial Factoring results:
No TF results for M760183


ECM factoring results:

Old Calculation Method

Total ECM effort:19.796 GHz-days
Estimated T-Level:25.922
DigitsB1CurvesCompleteFacMiss
2011000399 / 1003.9901.813%
2550000399 / 2801.42523.990%
30250000118 / 6400.18483.150%

New Calculation Method

Total ECM effort:19.796 GHz-days
Estimated T-Level:25.922
DigitsB1CompleteFacMiss
201100018.8980.000%
25500002.24110.636%
302500000.20481.555%
3510000000.01598.504%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002766.273
50000500000050.114
25000025000000445.000
25000025000000748.409


Lucas-Lehmer results:
No L-L results for M760183


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-27T23:00:26Oliver KruseGTX-0
16853257111
6230527926676158869047
682EDFBA635837__no
2017-10-13T18:03:59Oliver KruseThreadripper682EDFBA635837__no
2017-12-16T20:50:42ATHec2-1xf
16853257111
6230527926676158869047
682EDFBA635837__no
2020-04-20T23:53:32Oliver KruseAddPrpType5
16853257111
6230527926676158869047
C4CA2C01DD08C9__no
2020-08-25T04:31:48CrypticCluecruncher
16853257111
6230527926676158869047
1032153676810409754705269564897
C4CA2C01DD08C917no
2020-08-25T12:08:24ANONYMOUSdory
16853257111
6230527926676158869047
1032153676810409754705269564897
C4CA2C01DD08C917no


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
TF factor-bounds graph:
230
240
250
260
270
280
290
2100
Last modified: 2020-08-25T12:08:24+00:00