is 2 59576053 - 1
has 17934179 decimal digits
takes 132.350 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-LBBC6055B582095__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27464.218264.8649%850000175000005.66014.3158%69.878366.3812%1.5164%
PrimeNet2692.003962.3188%260000120000002.89795.6459%4.901864.4463%2.1274%
GPU7227332.107664.3836%400000140000003.67534.1493%35.782965.8614%1.4778%
Difference+1+32.1106+0.4813%+450000+3500000+1.9848+0.1665%+34.0954+0.5198%+0.5198%

Known prime factors (1 factor, 86.6 bits, 0.00014529% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
595760531137903627289757254515881212786.557955000851843741020
22 × 5 × 9439 × 143629 × 35221321
2021-11-2914362935221321482,8276.618811.545

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-12-17T20:02:00Jeff CarlsonThe_Dude675000675000---2.174--1.692%
2021-11-21T01:28:07Lisander ViaeneGaming_Desktop2280008604000---2.204--3.122%
2021-11-29T11:41:56ixfd64dt-lab-2685000017500000122786.5575.660264.711.324.316%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.01410e-5--
2000-03-08T00:00:00ANONYMOUSv4_computers21254--4.02821e-5--
2000-06-29T00:00:00ANONYMOUSv4_computers21256--0.000--
2000-07-03T00:00:00ANONYMOUSv4_computers21256--0.000--
2016-02-23T17:06:02Mark RoseManual testing256263--0.027--
2008-07-18T16:38:00monstmersenne263264--0.033--
2008-11-14T23:33:00Sturle Sundepapageno.ifi264265--0.063--
2008-11-17T15:19:00tmorrowMoo2265266--0.125--
2008-11-18T12:02:00tmorrowMoo2266267--0.251--
2008-11-22T00:03:00tmorrowMoo2267268--0.502--
2010-02-13T11:17:00unconnectedsaudi-E5405268269--1.003--
2011-07-23T14:52:00XyzzyManual testing269270--2.007--
2011-10-24T00:41:00Zet_koryangju_5400270271--4.014--
2012-10-20T09:27:00Jerry HallettManual testing271273--24.08--
2018-12-27T19:53:38-Anonymous-Manual testing273274--32.11--


ECM factoring results:
No ECM results for M59576053


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2013-03-14T00:29:00Christopher SalinardiBBC6055B582095__132.3


PRP results:
No PRP results for M59576053


P-1 factor-bounds graph:
B1 = 850000, B2 = 17500000 (P-1 stage 2)
B1 = 850000 (P-1 stage 1)
B1 = 228000, B2 = 8604000 (P-1 stage 2)
B1 = 675000 (P-1 stage 1)
B1 = 228000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-11-29T11:41:56+00:00