is 2 2988788527 - 1
has 899714998 decimal digits
takes 575,134.237 GHz-days to do one PRP test
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2841,310.854761.9048%----1,310.854761.9048%
Target291167,789.414664.8352%150000007200000000113,411.83444.1353%281,201.249066.2894%
Difference-7-166,478.5599-2.9304%-15000000-7200000000-113,411.8344-4.1353%-279,890.3942-4.3846%

Known prime factors (8 factors, 401.2 bits, 0.00001342% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2988788527537981934871135.6479
32		2012-08-20991.564e-120.00250.0051
29887885273168115838631238.20553
53		2014-10-231531.380e-110.00110.0016
298878852745668688692571342.054764
22 × 191		2014-10-2341913.566e-100.00400.0055
2988788527428771602083431445.2857173
32 × 797		2014-10-2397971.691e-90.01450.0227
29887885273533764227013191548.32859117
31 × 1907		2014-10-233119072.202e-80.03720.0541
29887885274134570496710731548.55569168
24 × 3 × 11 × 131		2014-10-23161312.115e-80.00620.0091
298878852710923410688271403608312269.888182739772145
5 × 73 × 5099 × 20897		2022-01-275099208970.06331.66292.8955
2988788527110446390575809149590732373.2261847678241168
24 × 32 × 48131 × 266587		2022-01-29481312665870.987516.75127.332

247 Composite Factors:
P-1 results:
No P-1 results for M2988788527


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2022-01-27ramgeisr4mg31s26927069.888220.0401,168,4400.082
Missing TF 70 - 71
Missing TF 71 - 72
Missing TF 72 - 73
2022-01-29ramgeisr4mg31s27327473.226230.6401,168,4401.312
2022-01-29ramgeisr4mg31s27327438.205120.6401,168,4401,344
2022-01-29ramgeisr4mg31s27327435.647110.6401,168,4401,344
2022-01-31ramgeisr4mg31s274275--1.280--
2022-02-09ramgeisr4mg31s275276--2.560--
2022-02-09ramgeisr4mg31s276277--5.121--
2022-02-09ramgeisr4mg31s27727842.0541310.241,168,440167.9
2022-02-09ramgeisr4mg31s27727835.6471110.241,168,4401,344
2022-02-09ramgeisr4mg31s278279--20.48--
2022-02-16ramgeisr4mg31s279280--40.96--
2022-02-16ramgeisr4mg31s28028138.2051281.931,168,4401,344
2022-02-16ramgeisr4mg31s28028145.2851481.931,168,4401,344
2022-02-16ramgeisr4mg31s28028142.0541381.931,168,440167.9
2022-02-16ramgeisr4mg31s28028135.6471181.931,168,4401,344
2022-02-25ramgeisr4mg31s281282--163.9--
2022-03-01ramgeisr4mg31s282283--327.7--
2022-03-18ramgeisr4mg31s28328438.20512655.41,168,4401,344
2022-03-18ramgeisr4mg31s28328448.32815655.41,168,4401,344
2022-03-18ramgeisr4mg31s28328445.28514655.41,168,4401,344
2022-03-18ramgeisr4mg31s28328435.64711655.41,168,4401,344


ECM factoring results:
No ECM results for M2988788527


Lucas-Lehmer results:
No L-L results for M2988788527


PRP results:
No PRP results for M2988788527


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
TF factor-bounds graph:
284
283
282
281
280
279
278
277
276
275
274
270
this exponent TF target: 91
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00