is 2 33669901 - 1
has 10135651 decimal digits
takes 39.843 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LB11F8C8D5CE0BFA3double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual274113.628764.8649%38000076000001.32703.0568%114.955665.9389%
Target27114.199063.3803%24000070000001.04373.8353%15.242764.7848%
Difference+3+99.4297+1.4846%+140000+600000+0.2832-0.7785%+99.7129+1.1541%

Known prime factors:
No known factors for M33669901

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-05-25ANONYMOUSv4_computers3800007600000---1.327--3.057%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-07-21markrv4_computers21263--0.047--
2003-08-31markrv4_computers21264--0.106--
2004-05-25ANONYMOUSv4_computers21268--1.770--
2012-12-08Carsten KossendeyManual testing268269--1.776--
2013-06-01GrunwalderGIMPManual testing269270--3.551--
2013-06-01GrunwalderGIMPManual testing270271--7.102--
2019-12-27-Anonymous-Manual testing271272--14.20--
2019-12-27-Anonymous-Manual testing272273--28.41--
2020-04-21-Anonymous-Manual testing273274--56.82--


ECM factoring results:
No ECM results for M33669901


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-07-02ANONYMOUSv4_computersB11F8C8D5CE0BFA339.84
2014-12-18GrunwalderGIMPGLaptop8B11F8C8D5CE0BFA339.84


PRP results:
No PRP results for M33669901


P-1 factor-bounds graph:
B1 = 380000, B2 = 7600000 (P-1 stage 2)
B1 = 380000 (P-1 stage 1)
104
105
106
104
105
106
107
TF factor-bounds graph:
274
273
272
271
270
269
268
264
263
this exponent TF target: 71
TF double-checked to: 67.8
250
260
270
280
Last modified: 2023-04-26T21:34:10+00:00