is 2 71099111 - 1
has 21402966 decimal digits
takes 190.091 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
Actual27453.810363.5135%----53.810363.5135%
Target27453.810363.5135%500000160000005.21224.0641%59.022564.9964%
Difference----500000-16000000-5.2122-4.0641%-5.2122-1.4828%

Known prime factors (2 factors, 200.1 bits, 0.00028150% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
71099111221175686250335083976302649272994.159155540402080649843833
389 × 467 × 2539 × 154321 × 2185189
2014-08-091543212185189102,020,1761.02721.2176
710991118028507628858056740221519592890332105.985564599719738975128691941
32 × 29 × 59 × 67 × 107 × 197 × 857 × 6569 × 4611511
2014-08-09656946115111.880e+90.99811.8192

1 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2014-08-09firereddont11161200.144-380.2-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-10-19Wojciech FlorekManual testing21264--0.050--
2010-03-07Sturle Sundekorsmo.ifi264265--0.053--
2010-03-12arnaudSRV-330265266--0.105--
2010-09-09GrunwalderGIMPcompute-0-1266267--0.210--
2010-09-23chargerFH526.3000.01267268--0.420--
2010-10-04chargerFH526.3000.01268269--0.841--
2013-05-11SMoffatManual testing269270--1.682--
2013-07-24willmoreManual testing270271--3.363--
2014-05-28ChuckManual testing271272--6.727--
2014-05-28ChuckManual testing272273--13.45--
2014-05-29ChuckManual testing273274--26.91--


ECM factoring results:
No ECM results for M71099111


Lucas-Lehmer results:
No L-L results for M71099111


PRP results:
No PRP results for M71099111


P-1 factor-bounds graph:
102
103
104
105
106
102
103
104
105
106
107
TF factor-bounds graph:
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 74
TF double-checked to: 67.8
250
260
270
280
290
2100
2110
Last modified: 2023-04-26T21:34:10+00:00