is 2 29961623 - 1
has 9019348 decimal digits
takes 31.210 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
Actual2693.984763.7681%200000712893306.15216.6316%10.136866.1709%2.4027%
PrimeNet2670.991762.6866%13000050000000.59714.9072%1.588864.5176%1.8310%
GPU7227115.956464.7887%20000060000000.77943.5592%16.735766.0420%1.2532%
Difference-2-11.9717-1.0206%-+65289330+5.3728+3.0724%-6.5989+0.1289%+1.1495%

Known prime factors (4 factors, 172.0 bits, 0.00057414% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2996162372507127671032.755121
112
-1211211.960e-110.00020.0004
29961623143815790411133.744240
24 × 3 × 5
2008-09-0916164.018e-112.417e-54.918e-5
2996162342006794678471341.93470101
32 × 7789
2008-09-09977891.147e-80.00070.0012
29961623138726845464602100632063.589231507561297
3 × 17 × 4539363947
2017-03-211745393639470.1026373.55697.69

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
299616231042766987621983164472166.499
29961623304579202475930089026492374.689
29961623604124037927474485947272375.677
299616231005868509535826497612959743213096.344
299616231995111093157767477824980895833097.332
299616235827470113823377575500267434436132105.523
2996162343803298746523314753246326777960933108.433
29961623144659774747423509966829783729256780616140130.088
2996162342253311953610106969741295498780165715688742138.278
2996162383808222051016171315644041224981057413780142139.266
2996162360766934560487387868179943653744447232325537280053
67
52172.022
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-24T13:35:12masserManual testing20000071289330-
skipped known factor: 7250712767
skipped known factor: 14381579041
skipped known factor: 4200679467847
--6.152--6.632%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T01:41:00Will EdgingtonManual testing??33.744111.98407e-1264.524.10188e-12
2008-09-09T01:41:00Will EdgingtonManual testing??41.934131.69519e-964.523.50464e-9
2017-03-21T16:20:06TJAOIManual testing263264*63.589200.04964.400.102
2022-09-25T06:23:24LordJuliusManual testing2126563.589200.10364.400.212
2022-09-25T06:23:24LordJuliusManual testing2126533.744114.01775e-1164.528.30630e-11
2022-09-25T06:23:24LordJuliusManual testing2126541.934131.14727e-864.522.37187e-8
2022-09-25T06:23:24LordJuliusManual testing2126532.755101.95968e-1164.524.05146e-11
2022-09-25T06:23:24LordJuliusManual testing265266--0.249--
2022-09-25T06:23:25LordJuliusManual testing266267--0.499--
2022-09-22T23:27:00masserManual testing267269--2.993--


ECM factoring results:
No ECM results for M29961623


Lucas-Lehmer results:
No L-L results for M29961623


PRP results:
No PRP results for M29961623


P-1 factor-bounds graph:
B1 = 200000, B2 = 71289330 (P-1 stage 2)
B1 = 200000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
269
267
266
265
264
2
230
240
250
260
270
280
290
2100
Last modified: 2022-09-25T06:23:25+00:00