is 2 73693661 - 1
has 22184003 decimal digits
takes 203.741 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
Actual275103.834064.0000 %630000119700005.00233.5996 %108.836365.2959 %
Target27451.915863.5135 %5000008500000020.46024.1293 %72.376065.0202 %
Difference+1+51.9182+0.4865 %+130000-73030000-15.4578-0.5297 %+36.4604+0.2757 %

Known prime factors (1 factor, 76.9 bits, 0.00010437% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
736936611427022835332990311411112476.917968212744467255
35 × 5 × 7 × 17 × 23 × 59 × 4934779
2015-11-232434934779372.861.07872.0131

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2015-11-23Bdotvm196300001197000022476.9175.1013.968%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2002-05-11Jossv4_computers212570.000
2022-05-28LordJuliusManual testing21264
2010-06-10ANONYMOUS_2642650.051
2010-06-19RonnyKarlQuad12652660.101
2010-06-24ANONYMOUSHAL150002662670.203
2010-08-28Chris BaileyDad-Room2672680.406
2010-09-01MarzbugCorei72682690.811
2012-10-15John Piotrowskijan2692701.622
2012-12-09ANONYMOUS2702713.245
2015-04-27srow7Manual testing2712726.490
2015-09-28BdotManual testing27227312.98
2015-10-19TheJudgerManual testing27327577.88


ECM factoring results:
No ECM results for M73693661


Lucas-Lehmer results:
No L-L results for M73693661


PRP results:
No PRP results for M73693661


CERT results:
No CERT results for M73693661


P-1 factor-bounds graph:
B1 = 630000, B2 = 11970000 (P-1 stage 2)
B1 = 630000 (P-1 stage 1)
101
102
103
104
105
106
101
102
103
104
105
106
107
108
TF factor-bounds graph:
275
273
272
271
270
269
268
267
266
265
264
257
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00