is 2 29912549 - 1
has 9004575 decimal digits
takes 31.159 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L5411FA914D07FE3Edouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27363.947965.7534%104000082209699069.13708.0453%133.084968.5087%
Target27115.982564.7887%20000060000000.77943.5584%16.761966.0417%
Difference+2+47.9654+0.9647%+840000+816096990+68.3576+4.4869%+116.3230+2.4670%

Known prime factors (2 factors, 187.6 bits, 0.00062700% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
29912549172780323973101094105611592683.837288809094760030471
11 × 47 × 709 × 25261 × 31190587		2022-10-142526131190587109,3042.60284.7939
299125491663730481794140393477891808997732103.714278099081725556119185612
22 × 32 × 7 × 13 × 2063 × 86467 × 440443 × 1080479		2022-10-1444044310804795.970e+90.71791.3539

1 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2006-03-01ANONYMOUSv4_computers425000425000---0.642--1.394%
2022-10-14James Heinrich3930K104000082209699057187.55169.1462.32138.38.045%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-05-10Alex Kruppav4_computers21253--4.01144e-5--
2001-09-16Net_Forcev4_computers21256--0.000--
2005-07-01RMAC9.5v4_computers21268--1.993--
2006-05-12RMAC9.5v4_computers21268--1.993--
2011-08-28GregManual testing268269--1.999--
2011-08-28GregManual testing269270--3.997--
2018-08-09monstManual testing270271--7.994--
2020-07-14Sid & AndyManual testing271272--15.99--
2021-02-19Sid & AndyManual testing272273--31.98--


ECM factoring results:
No ECM results for M29912549


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2006-04-28ANONYMOUSv4_computers5411FA914D07FE3E31.16
2012-12-17Richard172.26.180.1635411FA914D07FE3E31.16


PRP results:
No PRP results for M29912549


P-1 factor-bounds graph:
B1 = 1040000, B2 = 822096990 (P-1 stage 2)
B1 = 1040000 (P-1 stage 1)
B1 = 425000 (P-1 stage 1)
103
104
105
106
107
103
104
105
106
107
108
109
TF factor-bounds graph:
273
272
271
270
269
268
256
253
this exponent TF target: 71
TF double-checked to: 67.7
250
260
270
280
290
2100
2110
Last modified: 2023-03-25T13:08:14+00:00