is 2 33669709 - 1
has 10135593 decimal digits
takes 39.842 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L1759CA5A89C242C1double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual274113.629364.8649%37500066562501.23062.9639%114.859965.9062%
Target27114.199163.3803%24000070000001.04373.8353%15.242864.7848%
Difference+3+99.4302+1.4846%+135000-343750+0.1869-0.8715%+99.6171+1.1214%

Known prime factors:
No known factors for M33669709

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-12-23ANONYMOUSv4_computers3750006656250---1.231--2.964%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-07-21markrv4_computers21263--0.047--
2003-08-31markrv4_computers21264--0.106--
2003-12-13ANONYMOUSv4_computers21268--1.770--
2012-12-08Carsten KossendeyManual testing268269--1.776--
2013-01-22apsenManual testing269270--3.551--
2013-02-09apsenManual 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 M33669709


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-01-18ANONYMOUSv4_computers1759CA5A89C242C139.84
2014-12-24mikeblasburst1759CA5A89C242C139.84


PRP results:
No PRP results for M33669709


P-1 factor-bounds graph:
B1 = 375000, B2 = 6656250 (P-1 stage 2)
B1 = 375000 (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