is 2 2248930381 - 1
has 676995503 decimal digits
takes 347,022.452 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
Actual281217.762860.4938%----217.762860.4938%
Target28955,747.287864.0449%12000000520000000065,927.35724.3699%121,674.645065.6161%
Difference-8-55,529.5250-3.5511%-12000000-5200000000-65,927.3572-4.3699%-121,456.8823-5.1223%

Known prime factors (7 factors, 343.7 bits, 0.00001528% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2248930381359828860971135.0678
23
2012-08-20882.074e-120.00180.0036
2248930381674679114311135.97315
3 × 5
2012-08-20352.108e-120.00070.0014
224893038165668767125211342.5781460
22 × 5 × 73
2014-10-255733.846e-100.00190.0023
2248930381714080374575131446.02115876
22 × 34 × 72
2014-10-2549497.503e-90.01100.0223
224893038132053554934316811651.509712640
26 × 5 × 17 × 131
2014-10-25641312.350e-70.01510.0291
224893038178369792296129631671962.7651742379243
3 × 11 × 83 × 636137
2014-10-25836361370.00037.772214.483
224893038110040072195132563602492269.766223218830604
22 × 3 × 7 × 112 × 23 × 954857
2022-01-271219548570.063711.66521.740

120 Composite Factors:
P-1 results:
No P-1 results for M2248930381


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2022-01-27ramgeisr4mg31s26927069.766220.053705,3280.109
Missing TF 70 - 71
2022-01-27ramgeisr4mg31s27127235.067110.213705,32827.80
2022-01-27ramgeisr4mg31s27127235.973110.213705,32855.60
Missing TF 72 - 73
Missing TF 73 - 74
2022-02-01ramgeisr4mg31s274275--1.701--
2022-02-15ramgeisr4mg31s275276--3.403--
2022-02-17ramgeisr4mg31s276277--6.805--
2022-02-17ramgeisr4mg31s27727835.0671113.61705,32827.80
2022-02-17ramgeisr4mg31s27727842.5781313.61705,32855.60
2022-02-21ramgeisr4mg31s27827942.5781327.22705,32855.60
2022-02-21ramgeisr4mg31s27827935.9731127.22705,32855.60
2022-02-20ramgeisr4mg31s279280--54.44--
2022-04-18ramgeisr4mg31s280281--108.9--


ECM factoring results:
No ECM results for M2248930381


Lucas-Lehmer results:
No L-L results for M2248930381


PRP results:
No PRP results for M2248930381


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
TF factor-bounds graph:
281
280
279
278
277
276
275
272
270
this exponent TF target: 89
250
260
270
280
290
Last modified: 2023-07-11T14:45:05+00:00