is 2 88737373 - 1
has 26712612 decimal digits
takes 299.160 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276172.463964.4737%7150007150003.49521.4614%175.959164.9929%0.5192%
PrimeNet2715.387661.9718%360000170000006.19165.4091%11.579264.0288%2.0570%
GPU7227586.231064.0000%600000200000008.09994.0501%94.330865.4580%1.4580%
Difference+1+86.2330+0.4737%+115000-19285000-4.6047-2.5888%+81.6283-0.4652%-0.4652%

Known prime factors (1 factor, 88.8 bits, 0.00010010% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
887373735470483965041067408322346472788.8223082401349114238151
3 × 7 × 11 × 13 × 29 × 59 × 509 × 15131 × 77893
2018-09-191513177893741,7410.09070.1505

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-09-19T04:04:22Jwb52zClay7150007150002788.8223.495598.36.9901.461%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-15T10:20:00Architects Cubedm1_15264265--0.042--
2011-03-24T23:53:00wavelet3000Manual testing265266--0.084--
2011-03-31T11:32:00wavelet3000Manual testing266267--0.168--
2011-06-22T02:30:00wavelet3000Manual testing267268--0.337--
2011-06-22T02:30:00wavelet3000Manual testing268269--0.674--
2011-06-22T02:30:00wavelet3000Manual testing269270--1.347--
2014-08-27T11:52:00S00030vd01270271--2.695--
2017-07-29T10:58:45ANONYMOUSManual testing271272--5.390--
2017-07-29T10:58:45ANONYMOUSManual testing272273--10.78--
2017-07-29T10:58:45ANONYMOUSManual testing273274--21.56--
2018-09-02T21:44:58TheJudgerManual testing274275--43.12--
2018-09-02T21:44:58TheJudgerManual testing275276--86.23--


ECM factoring results:
No ECM results for M88737373


Lucas-Lehmer results:
No L-L results for M88737373


PRP results:
No PRP results for M88737373


P-1 factor-bounds graph:
B1 = 715000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
250
260
270
280
290
2100
Last modified: 2018-09-19T04:04:22+00:00