is 2 49307 - 1
has 14843 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-daysProbability
Actual267602.630876.1194 %72000000052447960840275040,859.391830.3213 %41,462.022683.3603 %
Target2440.000063.6364 %500500000.00002.0318 %0.000164.3752 %
Difference+23+602.6308+12.4830 %+719999500+524479608352750+40,859.3918+28.2895%+41,462.0226+18.9851 %

Known prime factors (4 factors, 231.9 bits, 0.47025597% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4930723667361824.496240
24 × 3 × 5
-16164.768e-112.288e-84.656e-8
4930710768377812672571649.93610919725204
22 × 2729931301
2008-08-26427299313010.00290.21270.3972
49307393714536608322471755.128399248115489
32 × 44360901721
2009-04-229443609017210.09883.45586.4545
49307628167468140940525527877231012131102.30963699623597150559304751580
22 × 3 × 5 × 971 × 18773 × 1096379 × 53121703949
2016-11-281096379531217039493.179e+124.13987.7292

11 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-10-02kkmrkkblmbrbkManual testing100000000200000000012
skipped known factor: 23667361
---39.468%
2016-11-28kkmrkkblmbrbkManual testing1000000003042014761758231102.309237.158.389%
2023-05-08JacobZMServer720000000524479608402750
skipped known factor: 23667361
skipped known factor: 1076837781267257
skipped known factor: 39371453660832247
skipped known factor: 6281674681409405255278772310121
--49,14670.095%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-08-26ANONYMOUSManual testing??
49.936
16
0.001


ECM factoring results:
Total ECM effort:158.183 GHz-days
Estimated T-Level:34.165
DigitsB1CompleteFacMiss
2011000234.7450.000%
255000045.6680.000%
302500006.8320.108%
3510000000.83343.471%
4030000000.08591.893%
45110000000.00799.263%


ECM Summary

B1B2factorcurvesGHz-days
10.004
5000050000002770.259
250000250000005843.004
100000010000000067815.94
100000014700000070.313
100000054600000010.050
1000000413504091015082.28
247844354297615055019.89
2841488103013858815036.44


Lucas-Lehmer results:
No L-L results for M49307


PRP results:
dateuseridcompidcofactorsres64
2017-09-21Oliver KruseOllaptopD50220756BBF1B__
2017-10-02kkmrkkblmbrbkManual testing
23667361
1076837781267257
39371453660832247
6281674681409405255278772310121
D50220756BBF1B16
2017-12-07ATHxps
23667361
1076837781267257
39371453660832247
6281674681409405255278772310121
D50220756BBF1B16
2020-04-17Oliver KruseManual testing
23667361
1076837781267257
39371453660832247
6281674681409405255278772310121
3F974DCF64A1F769


CERT results:
No CERT results for M49307


P-1 factor-bounds graph:
B1 = 720000000, B2 = 524479608402750 (P-1 stage 2)
B1 = 100000000, B2 = 3042014761758 (P-1 stage 2)
B1 = 720000000 (P-1 stage 1)
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
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TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67
ECM T-Level=34.17 ~= 97-bit
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Last modified: 2024-03-13T02:15:48+00:00