is 2 103030289 - 1
has 31015208 decimal digits
takes 410.225 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
Actual276148.538864.4737%7420007420004.28381.5189%152.822665.0133%0.5396%
PrimeNet2729.282162.5000%450000220000009.37655.3838%18.658564.5189%2.0189%
GPU72276148.538864.4737%6500002200000010.46823.8544%159.007065.8430%1.3693%
Difference---+92000-21258000-6.1844-2.3356%-6.1844-0.8297%-0.8297%

Known prime factors (1 factor, 76.7 bits, 0.00007445% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1030302891235454959581010092905772476.709599559106148392
23 × 13 × 53 × 153191 × 710051
2021-03-09153191710051225.451.05961.7999

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-03-09T18:49:08Jwb52zClay7420007420002476.7094.284820.58.5681.519%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-16T00:30:00subgeniusgigacare263264--0.019--
2010-08-21T01:50:00monstbass264265--0.036--
2012-04-30T06:44:00RichardUNKNOWN265266--0.073--
2013-09-02T02:14:00willmoreManual testing266267--0.145--
2013-09-09T21:30:00willmoreManual testing267268--0.290--
2013-09-11T17:30:00PascalBieriManual testing268269--0.580--
2013-09-13T15:48:00PascalBieriManual testing269270--1.160--
2014-04-22T18:28:00Andreas_TruetschManual testing270271--2.321--
2014-12-26T14:18:00SMoffatManual testing271272--4.642--
2020-02-03T22:08:11Niels_Mache_NextcloudManual testing272273--9.284--
2020-01-02T13:58:33ViliamFManual testing272273--9.284--
2020-02-03T22:08:11Niels_Mache_NextcloudManual testing273274--18.57--
2020-01-02T13:58:33ViliamFManual testing273274--18.57--
2020-11-24T17:01:27tServoManual testing274275--37.14--
2020-11-24T17:01:27tServoManual testing275276--74.27--


ECM factoring results:
No ECM results for M103030289


Lucas-Lehmer results:
No L-L results for M103030289


PRP results:
No PRP results for M103030289


P-1 factor-bounds graph:
B1 = 742000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
276
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274
273
272
271
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269
268
267
266
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264
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2100
Last modified: 2021-03-09T18:49:08+00:00