is 291877603-1
has 27,657,915 decimal digits
takes 332.801 GHz-days to do one L-L test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277333.140764.9351%705,000705,0003.70281.2992%336.843566.2343%4.2625%
PrimeNet2715.203461.9718%400,00018,000,0007.13725.5579%12.340767.5297%5.5579%
GPU7227583.283764.0000%600,00022,000,0009.27514.1404%92.558868.1404%4.1404%
Difference+2+249.8569+0.9351%+105,000-21,295,000-5.5722-2.8412%+244.2847-1.9062%-1.9062%

Known prime factors (1 factor, 118.7 bits, 0.00012916% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
9187760352829795746911121004973180991140692936118.6692875009470311884442880664888
23 × 7 × 23 × 109 × 2549 × 9463 × 20357 × 102013 × 408817
102,013408,8172019-07-041.402e+90.62361.0904

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2019-07-04T14:39:50RuzovejManual testing705,000705,00036118.6693.703665.67.4061.299%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-26T08:50:00For Researchm1_56264265--0.041--
2013-06-25T22:30:00David CampeauManual testing265266--0.081--
2014-02-04T02:36:00SMoffatManual testing266267--0.163--
2014-02-06T01:40:00ANONYMOUSManual testing267268--0.325--
2014-09-11T19:31:00ANONYMOUS268269--0.651--
2014-09-13T23:14:00KayJongsma269270--1.301--
2014-11-22T00:17:00arnaudsgp-11-121270271--2.603--
2018-03-22T07:18:51gcardonaManual testing271272--5.205--
2018-09-02T16:36:13penluManual testing272273--10.41--
2018-09-07T07:00:45gcardonaManual testing273274--20.82--
2019-01-13T21:45:49TheJudgerManual testing274275--41.64--
2019-01-13T21:45:49TheJudgerManual testing275276--83.29--
2019-04-07T21:38:00TheJudgerManual testing276277--166.6--


ECM factoring results:
Exponent "91877603" not found


Lucas-Lehmer results:
Exponent "91877603" not found


PRP results:
Exponent "91877603" not found


P-1 factor-bounds graph:
B1 = 705,000 (stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
250
260
270
280
290
2100
2110
2120
Last modified: 2019-07-04T14:39:50+00:00