is 2 103880503 - 1
has 31271148 decimal digits
takes 413.610 GHz-days to do one PRP 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
Actual277294.647864.9351%820000159900009.50583.3896%304.153668.3246%5.8246%
PrimeNet2729.206162.5000%450000220000009.37655.3891%18.582667.8891%5.3891%
GPU72276147.323164.4737%6500002200000010.46823.8583%157.791368.3320%3.8583%
Difference+1+147.3248+0.4614%+170000-6010000-0.9624-0.4687%+146.3623-0.0074%-0.0074%

Known prime factors (1 factor, 80.0 bits, 0.00007706% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
10388050312483839416429655675317432580.0466008749984792457
7 × 19 × 97 × 27437 × 16975561
27437169755612020-07-073,682.25.48949.973

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-07-07T16:48:58TheJudgerManual testing82000015990000122580.0469.51827.219.013.390%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-17T11:05:002knarfChipzilla263264--0.019--
2010-08-24T21:27:00Donna NoblePH9500264265--0.036--
2012-05-02T06:56:00omiXorpSCS-DEV-z800-01265266--0.072--
2014-07-10T19:33:00technobuffaloskyle-server266267--0.144--
2014-07-14T21:58:00technobuffaloskyle-server267268--0.288--
2014-07-18T14:20:00technobuffaloskyle-server268269--0.575--
2014-07-23T16:19:00technobuffaloskyle-server269270--1.151--
2014-07-29T03:12:00SMoffatManual testing270271--2.302--
2014-12-22T07:08:00shaugeManual testing271272--4.604--
2019-08-27T08:02:28Niels_Mache_NextcloudManual testing272273--9.208--
2019-08-27T08:02:28Niels_Mache_NextcloudManual testing273274--18.42--
2020-05-11T16:28:54TheJudgerManual testing274275--36.83--
2020-05-11T16:28:54TheJudgerManual testing275276--73.66--
2020-05-11T16:28:54TheJudgerManual testing276277--147.3--


ECM factoring results:
Exponent "103880503" not found


Lucas-Lehmer results:
Exponent "103880503" not found


PRP results:
Exponent "103880503" not found


P-1 factor-bounds graph:
B1 = 820000, B2 = 15990000 (stage 2)
B1 = 820000 (stage 1)
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108
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
264
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2100
Last modified: 2020-07-07T16:48:58+00:00