is 2 5610461 - 1
has 1688918 decimal digits
takes 0.886 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
Actual26810.623966.1765%10000000002410000000003,223.079223.7981%3,233.703074.2258%
Target2662.632365.1515%360007000000.01652.1906%2.648865.9149%
Difference+2+7.9916+1.0250%+999964000+240999300000+3,223.0626+21.6074%+3,231.0542+8.3109%

Known prime factors (7 factors, 299.6 bits, 0.00534089% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
561046133662767825.0053
3
-137.973e-132.539e-74.660e-7
5610461397669475691135.2113544
23 × 443
2008-09-0884431.442e-97.259e-61.029e-5
5610461895766203271136.3827983
32 × 887
2008-09-0898872.819e-91.301e-52.059e-5
5610461796621614953831446.1797099431
3 × 2366477
2008-09-30323664772.796e-60.02950.0551
56104611875293784019511547.41416712475
3 × 52 × 13 × 61 × 281
2014-03-05612814.741e-61.671e-52.843e-5
561046170212309428542811652.641625726740
22 × 3 × 5 × 131 × 79609
2014-08-19131796090.00020.00100.0019
56104611269514387231835511856.81711313815275
52 × 7 × 64650373
2015-08-0625646503730.00300.80651.5064

120 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2019-08-27alpertronManual testing30000000100000000012-
skipped known factor: 33662767
skipped known factor: 39766947569
skipped known factor: 89576620327
skipped known factor: 79662161495383
skipped known factor: 187529378401951
skipped known factor: 7021230942854281
skipped known factor: 126951438723183551
--18.97--13.057%
2021-10-19Seth_TrManual testing1000000000241000000000-
skipped known factor: 33662767
skipped known factor: 39766947569
skipped known factor: 89576620327
skipped known factor: 79662161495383
skipped known factor: 187529378401951
skipped known factor: 7021230942854281
skipped known factor: 126951438723183551
--3,223--23.798%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08Will EdgingtonManual testing??35.211116.25845e-104.4213.12278e-9
2008-09-08Will EdgingtonManual testing??36.382111.18776e-94.4215.92658e-9
2008-09-30markrManual testing??46.179141.12513e-64.4215.61406e-6
2014-03-05TJAOIManual testing??47.414151.39963e-64.4216.98373e-6
2014-08-19TJAOIManual testing??52.641167.36055e-54.4210.000
2015-05-04TJAOIManual testing256257*56.817180.0014.4170.007
2022-06-22LordJuliusManual testing2126325.00587.97254e-134.4213.97806e-12
2022-06-22LordJuliusManual testing2126356.817180.0034.4170.015
2022-06-22LordJuliusManual testing2126360.216190.0554.3660.269
2022-06-22LordJuliusManual testing2126347.414154.74139e-64.4212.36581e-5
2022-06-22LordJuliusManual testing2126361.387190.0714.3110.347
2022-06-22LordJuliusManual testing2126335.211111.44170e-94.4217.19367e-9
2022-06-22LordJuliusManual testing2126352.641160.0004.4210.001
2022-06-22LordJuliusManual testing2126346.179142.79601e-64.4211.39512e-5
2022-06-22LordJuliusManual testing2126336.382112.81948e-94.4211.40684e-8
2022-06-22LordJuliusManual testing263264--0.350--
2022-06-22LordJuliusManual testing264265--0.666--
2022-06-22LordJuliusManual testing265266--1.332--
2019-06-18Seth_TrManual testing266267--2.664--
2019-12-28Seth_TrManual testing267268--5.328--


ECM factoring results:
No ECM results for M5610461


Lucas-Lehmer results:
No L-L results for M5610461


PRP results:
dateuseridcompidcofactorsres64PRP
2017-12-10Oliver KruseGTX-3
33662767
39766947569
89576620327
79662161495383
187529378401951
7021230942854281
126951438723183551
D25E66F01FB037__no
2018-04-05kkmrkkblmbrbkc5.xlarge
33662767
39766947569
89576620327
79662161495383
187529378401951
7021230942854281
126951438723183551
D25E66F01FB037__no


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 241000000000 (P-1 stage 2)
B1 = 1000000000 (P-1 stage 1)
B1 = 30000000, B2 = 1000000000 (P-1 stage 2)
B1 = 30000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
109
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
268
267
266
265
264
263
257
2
this exponent TF target: 66
TF double-checked to: 67.7
250
260
270
Last modified: 2023-03-23T17:39:31+00:00