is 2 100523 - 1
has 30261 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
Actual267295.593274.6269%100000000065528342880001,153.433125.4495%1,449.026481.0842%
Target2440.000061.3636%1200180000.00004.1521%0.000062.9679%
Difference+23+295.5932+13.2632%+999998800+6552834270000+1,153.4331+21.2974%+1,449.0263+18.1163%

Known prime factors (2 factors, 88.1 bits, 0.08761929% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10052312290016367031340.1616113037
3 × 7 × 97 × 3001
-9730011.702e-68.224e-79.838e-7
1005232657228192704631547.9171321701597
33 × 48951911
2010-01-2027489519110.00030.00860.0161

1 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-31kkmrkkblmbrbkManual testing100000000200000000012-
skipped known factor: 1229001636703
skipped known factor: 265722819270463
--0.656--11.728%
2021-12-17Seth_TrManual testing10000000006552834288000-
skipped known factor: 1229001636703
skipped known factor: 265722819270463
--1,153--25.449%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2018-10-25J.R. AllenManual testing252257--0.185--
2022-04-13LordJuliusManual testing2125740.161131.70219e-60.0003.61177e-6
2022-04-13LordJuliusManual testing2125747.917150.0000.0000.001
2018-11-01J.R. AllenManual testing257258--0.191--
2022-04-13LordJuliusManual testing257258--0.191--
2018-11-01J.R. AllenManual testing258259--0.382--
2022-04-13LordJuliusManual testing258259--0.382--
2018-11-01J.R. AllenManual testing259260--0.764--
2022-04-13LordJuliusManual testing259260--0.764--
2022-04-13LordJuliusManual testing260261--1.528--
2022-04-13LordJuliusManual testing261262--3.056--
2022-10-22LordJuliusManual testing262263--9.77--
2022-10-22LordJuliusManual testing263264--19.53--
2022-10-22LordJuliusManual testing264265--37.17--
2022-10-23LordJuliusManual testing265266--74.34--
2022-10-23LordJuliusManual testing266267--148.7--


ECM factoring results:
Total ECM effort:12.733 GHz-days
Estimated T-Level:30.766
DigitsB1CompleteFacMiss
201100082.9510.000%
255000013.0360.000%
302500001.56021.008%
3510000000.15385.798%
4030000000.01398.726%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000050000002800.650
250000250000005856.790
10000001000000001145.293


Lucas-Lehmer results:
No L-L results for M100523


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21Oliver KruseOliver-PC
1229001636703
265722819270463
7983BCBDF18A75__no
2017-09-21Oliver KruseManual testing
1229001636703
265722819270463
7983BCBDF18A75__no
2017-10-13kkmrkkblmbrbkManual testing
1229001636703
265722819270463
7983BCBDF18A75__no
2020-04-17Oliver KruseAddPrpType5
1229001636703
265722819270463
454F801F08D360__no
2022-04-15LordJuliusWhiteBox
1229001636703
265722819270463
454F801F08D360B8no


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 6552834288000 (P-1 stage 2)
B1 = 1000000000 (P-1 stage 1)
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
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109
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TF factor-bounds graph:
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265
264
263
262
261
260
259
258
257
this exponent TF target: 44
TF double-checked to: 67.7
ECM T-Level=30.77 ~= 86-bit
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Last modified: 2023-03-23T17:39:31+00:00