is 2 11023153 - 1
has 3318300 decimal digits
takes 3.601 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L9697FEF3CAE0543Cdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2672.695664.1791%6000010200000.05322.6416%2.748865.1254%
Target2685.407264.7059%70000144000000.40302.7613%5.810265.6804%
Difference-1-2.7117-0.5268%-10000-13380000-0.3498-0.1196%-3.0614-0.5551%

Known prime factors (1 factor, 76.2 bits, 0.00069088% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11023153842422127415545359816972376.1573821148665066816
26 × 131 × 157 × 47653 × 60919
2014-04-2947653609191,621.50.02290.0459

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-01-07dswansonv4_computers600001020000---0.053--2.642%
2004-02-23ANONYMOUSv4_computers600001020000---0.053--2.642%
2014-04-29ThaRiet-Ubuntu6000010200002376.1570.0537.2020.1062.642%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-01-25Mark Blankev4_computers21264--0.323--
2013-11-30lycornManual testing264265--0.339--
2013-12-05sasakiManual testing265266--0.678--


ECM factoring results:
No ECM results for M11023153


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-11-15ANONYMOUSv4_computers9697FEF3CAE0543C3.601
2004-04-09dswansonv4_computers9697FEF3CAE0543C3.601


PRP results:
dateuseridcompidcofactorsres64PRP
2021-04-23DeufoRyzen2600
84242212741554535981697
9931A9324F210C53no


P-1 factor-bounds graph:
B1 = 60000, B2 = 1020000 (P-1 stage 2)
B1 = 60000 (P-1 stage 1)
103
104
105
103
104
105
106
107
TF factor-bounds graph:
266
265
264
this exponent TF target: 68
TF double-checked to: 67.9
250
260
270
280
Last modified: 2023-06-05T21:50:05+00:00