is 2 104656151 - 1
has 31504641 decimal digits
takes 416.699 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
Actual276146.231264.4737%7390007390004.26651.5197%150.497765.0136%0.5399%
PrimeNet2729.137962.5000%450000220000009.37655.3938%18.514364.5227%2.0227%
GPU72276146.231264.4737%6500002400000011.09733.9254%157.328565.8682%1.3946%
Difference---+89000-23261000-6.8308-2.4057%-6.8308-0.8547%-0.8547%

Known prime factors (1 factor, 77.3 bits, 0.00007381% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1046561511798213237262114821798332477.251859105375116516
22 × 33 × 11 × 229 × 34589 × 91297
2021-07-013458991297442.880.21750.4064

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-07-01T15:47:46Jwb52zClay7390007390002477.2514.266833.48.5331.520%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-24T00:26:00RichardUNKNOWN263264--0.019--
2010-08-29T05:05:00carlos56tovho264265--0.036--
2012-05-07T01:51:00tscc01265266--0.071--
2013-09-02T05:44:00Cow_tippingManual testing266267--0.143--
2013-09-02T17:48:00Cow_tippingManual testing267268--0.286--
2014-05-23T07:21:00g0bManual testing268269--0.571--
2014-06-09T14:55:00symalladbasement269270--1.142--
2014-12-29T23:50:00shaugeManual testing270271--2.285--
2015-02-25T02:12:00SRS TechnologyManual testing270271--2.285--
2015-02-25T02:12:00SRS TechnologyManual testing271272--4.570--
2020-03-04T20:09:10tscManual testing272273--9.140--
2020-04-01T05:37:34SRBaseManual testing273274--18.28--
2021-03-24T10:45:28RichD0Manual testing274275--36.56--
2021-03-25T13:43:22DRobinsonPEManual testing275276--73.12--


ECM factoring results:
No ECM results for M104656151


Lucas-Lehmer results:
No L-L results for M104656151


PRP results:
No PRP results for M104656151


P-1 factor-bounds graph:
B1 = 739000 (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
264
250
260
270
280
290
2100
Last modified: 2021-07-01T16:28:50+00:00