is 2 60074737 - 1
has 18084298 decimal digits
takes 133.458 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27331.841164.3836%5600005600001.80391.7547%33.645065.0085%0.6250%
PrimeNet2691.987362.3188%260000120000002.89795.6517%4.885264.4485%2.1296%
GPU7227331.841164.3836%400000140000003.67534.1537%35.516465.8629%1.4794%
Difference---+160000-13440000-1.8714-2.3990%-1.8714-0.8544%-0.8544%

Known prime factors (1 factor, 77.9 bits, 0.00012963% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
600747372775959626380249748620312477.8772310421788763095
3 × 5 × 7 × 19 × 1543 × 14143 × 53069
2012-12-291414353069544.240.05240.0927

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-12-29T16:07:00Jwb52zClay5600005600002477.8771.804266.93.6081.755%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-07-06T00:00:00ANONYMOUSv4_computers21260--0.003--
2022-03-29T18:52:29LordJuliusManual testing260263--0.024--
2009-05-24T12:09:00markroldgamer263264--0.033--
2009-06-10T10:02:00garonorth264265--0.062--
2009-07-03T19:40:00ANONYMOUS265266--0.124--
2009-07-04T15:20:00Diarmuid HenryDiarmuidHenry266267--0.249--
2009-07-08T22:28:00MikeBATH64267268--0.498--
2009-07-10T21:49:00MikeBATH64268269--0.995--
2011-07-04T10:37:00ANONYMOUSSNORTclown-pc269270--1.990--
2012-05-08T21:15:00XyzzyManual testing270271--3.981--
2012-11-19T22:08:00BigBrotherManual testing271272--7.961--
2012-11-19T22:08:00BigBrotherManual testing272273--15.92--


ECM factoring results:
No ECM results for M60074737


Lucas-Lehmer results:
No L-L results for M60074737


PRP results:
No PRP results for M60074737


P-1 factor-bounds graph:
B1 = 560000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
273
272
271
270
269
268
267
266
265
264
263
260
250
260
270
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290
2100
Last modified: 2022-03-29T18:52:29+00:00