is 2 9052627 - 1
has 2725113 decimal digits
takes 2.502 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L31C2A78D3C774765double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2673.282464.1791 %450007537500.03352.2351 %3.315964.9797 %
Target2686.584364.7059 %6000065000000.16472.4021 %6.748965.5537 %
Difference-1-3.3019-0.5268 %-15000-5746250-0.1312-0.1670 %-3.4331-0.5740 %

Known prime factors (1 factor, 72.5 bits, 0.00080038% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
905262764768979422749134292172272.456357735823108304
24 × 16073 × 26161 × 53173
2012-06-072616153173188.980.01110.0213

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-04-27ANONYMOUSv4_computers45000753750--0.0341.964%
2012-06-07Squeeky_SquirrelP4_26002272.4560.0680.000%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-12-21ANONYMOUSv4_computers212550.001
1999-01-10Windstalkerv4_computers212610.017
1999-01-02Orionv4_computers212620.034
1999-02-07Joel Armengaudv4_computers212630.108
1999-12-08ANONYMOUSv4_computers212640.217


ECM factoring results:
No ECM results for M9052627


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-01-04ANONYMOUSv4_computers31C2A78D3C7747652.502
2003-05-19ANONYMOUSv4_computers31C2A78D3C7747652.502


PRP results:
dateuseridcompidcofactorsres64
2019-06-02Daniil Tsarkovtsar1
6476897942274913429217
1A3A5EEBFC435DEE
2020-10-11ATHec2-PRPCFDC
6476897942274913429217
1A3A5EEBFC435DEE


CERT results:
No CERT results for M9052627


P-1 factor-bounds graph:
B1 = 45000, B2 = 753750 (P-1 stage 2)
B1 = 45000 (P-1 stage 1)
103
104
105
103
104
105
106
TF factor-bounds graph:
264
263
262
261
255
this exponent TF target: 68
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00