is 2 32148013 - 1
has 9677517 decimal digits
takes 35.385 GHz-days to do one PRP test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L98430646C7494F74double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual274119.007866.2162%500000150000002.05883.6354%121.066769.8516%7.1650%
PrimeNet2670.924362.6866%14000055000000.68955.0975%1.613867.7841%5.0975%
GPU7227114.871264.7887%22000070000000.94073.7624%15.811868.5511%3.7624%
Difference+3+104.1367+1.4275%+280000+8000000+1.1182-0.1270%+105.2549+1.3005%+1.3005%

Known prime factors (2 factors, 171.4 bits, 0.00053306% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
32148013130365771784758118292805432683.431202758677161101867
3 × 13 × 107 × 263 × 168089 × 1099097
16808910990972020-11-2064,4560.34920.5460
321480132965540012926658710259824792787.9384612322405317334403
3 × 31 × 38593 × 451519 × 2846113
45151928461132020-11-20975,5900.92881.4666

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
3214801338660491254376542948323424923226634533101862936060
97
52171.369
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2007-02-20T00:00:00curtiscv4_computers475000475000---0.758--1.316%
2020-11-20T17:01:59firejugglerMaison500000150000001252171.3692.05970.774.1183.635%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-08-31T00:00:00Net_Forcev4_computers?256--0.000--
2006-03-01T00:00:00ANONYMOUSv4_computers?268--0.930--
2012-08-29T22:43:00bcp19Manual testing268269--1.860--
2012-08-29T22:43:00bcp19Manual testing269270--3.719--
2018-04-22T20:56:55ramgeisManual testing270271--7.438--
2019-12-06T23:45:35-Anonymous-Manual testing271272--14.88--
2019-12-06T23:45:35-Anonymous-Manual testing272273--29.75--
2020-03-24T23:49:09-Anonymous-Manual testing273274--59.51--


ECM factoring results:
Exponent "32148013" not found


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2007-03-04T00:00:00curtiscv4_computers98430646C7494F7435.39
2013-10-18T17:25:00ANONYMOUS98430646C7494F7435.39


PRP results:
Exponent "32148013" not found


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (stage 2)
B1 = 500000 (stage 1)
B1 = 475000 (stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
274
273
272
271
270
269
268
256
250
260
270
280
290
2100
Last modified: 2020-11-20T17:01:59+00:00