is 2 1760567 - 1
has 529984 decimal digits
takes 0.096 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
Actual26716.877568.6567%500000150000000.10155.0450%16.978970.2380%1.5813%
PrimeNet2570.010963.1579%80001400000.00122.8057%0.012164.1916%1.0337%
GPU722610.174565.5738%80001200000.00111.4527%0.175666.0739%0.5001%
Difference+6+16.7030+3.0829%+492000+14880000+0.1004+3.5923%+16.8034+4.1641%+4.1641%

Known prime factors (3 factors, 164.5 bits, 0.00934571% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1760567158451031927.23945
32 × 5
-991.025e-117.080e-71.441e-6
17605673807864294235709522892168.368108143123614032
24 × 3 × 132 × 181 × 73653331
2019-08-041817365333163.0490.31570.5896
17605675625481714864971205432168.931159763352228713
159763352228713
2020-02-28115976335222871358.205684,7061,278,840

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1760567603360023329735530918438599592995.607
1760567891363377592002713285696298332996.170
176056721421070959910192495532277300025493477292742137.298
17605673394190778721929668325552231966935767760803403773750164.538
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-16T12:30:16alpertronManual testing5000001500000012-
skipped known factor: 158451031
--0.101--5.045%


Trial Factoring results:
No TF results for M1760567


ECM factoring results:

Old Calculation Method

Total ECM effort:18.088 GHz-days
Estimated T-Level:24.696
DigitsB1CurvesCompleteFacMiss
2011000263 / 1002.6307.113%
2550000263 / 2800.93939.025%

New Calculation Method

Total ECM effort:18.088 GHz-days
Estimated T-Level:24.696
DigitsB1CompleteFacMiss
20110008.4840.021%
25500000.76746.451%
302500000.04795.388%
3510000000.00299.784%


ECM Summary

B1B2factorcurvesGHz-days
50000500000025717.68
50000500000030.206
50000500000030.206


Lucas-Lehmer results:
No L-L results for M1760567


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-03T13:40:21Oliver KruseDoppelherz
158451031
4D60D392A2E4F7__no
2017-11-04T05:57:16Chang Chia-Tcheexbpc13
158451031
4D60D392A2E4F7__no
2019-08-05T03:34:23treborLaptop
158451031
380786429423570952289
03C93952FD98B4A3no
2019-08-05T04:04:54ATHec2-PRPCFDC
158451031
380786429423570952289
03C93952FD98B4A3no
2020-02-29T01:47:08Niels_Mache_NextcloudSuperDry-X
158451031
380786429423570952289
562548171486497120543
03C93952FD98B4A3no


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
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TF factor-bounds graph:
267
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2100
Last modified: 2020-08-14T09:34:02+00:00