is 2 57603977 - 1
has 17340525 decimal digits
takes 122.088 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2718.299463.3803 %685000184950005.08725.6147 %13.386665.4364 %
Target27333.206864.3836 %4000006500000012.04574.0738 %45.252565.8345 %
Difference-2-24.9074-1.0033 %+285000-46505000-6.9585+1.5409%-31.8659-0.3981 %

Known prime factors (1 factor, 71.5 bits, 0.00012416% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5760397733920994897779889615192271.52329443275155967
3 × 1063837 × 9225497
2012-02-071063837922549712.5534.63596.6537

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-09-20Sid & AndyToy_Soldier_468500018495000--5.0874.659%
2012-02-07Adam StinchcombeManual testing2271.5232.4590.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.08000e-5
2000-03-08ANONYMOUSv4_computers212544.17000e-5
2000-06-28ANONYMOUSv4_computers212560.000
2001-09-30ANONYMOUSv4_computers212570.000
2002-11-24ANONYMOUSv4_computers212580.001
2003-08-25Team Prime Ribv4_computers212600.001
2022-06-28LordJuliusManual testing260263
2009-01-11zulianzuk_dc57002632640.034
2009-01-15ANONYMOUS2642650.065
2009-03-19helicompollux2652660.130
2009-03-20helicompollux2662670.259
2009-05-29Sturle Sundegraun.ifi2672680.519
2011-11-23rduerrManual testing2682691.038
2012-01-04Adam StinchcombeManual testing2692702.076
2012-01-16Adam StinchcombeManual testing2702714.151


ECM factoring results:
No ECM results for M57603977


Lucas-Lehmer results:
No L-L results for M57603977


PRP results:
No PRP results for M57603977


CERT results:
No CERT results for M57603977


P-1 factor-bounds graph:
B1 = 685000, B2 = 18495000 (P-1 stage 2)
B1 = 685000 (P-1 stage 1)
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108
TF factor-bounds graph:
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this exponent TF target: 73
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00