is 2107201089-1
has 32270744 decimal digits
takes 439.673 GHz-days to do one L-L test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277285.521064.9351%7410007410004.40671.3602%289.927866.2953%3.7953%
PrimeNet2728.920962.5000%450000220000009.65865.4092%18.579567.9092%5.4092%
GPU72276142.759764.4737%7000002400000011.71233.9757%154.472068.4493%3.9757%
Difference+1+142.7613+0.4614%+41000-23259000-7.3056-2.6155%+135.4557-2.1541%-2.1541%

Known prime factors (1 factor, 119.4 bits, 0.00011138% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
10720108987429976355897446435856625398758555136119.3964077849263074997607340379975
52 × 73 × 83 × 281 × 1321 × 1663 × 9187 × 10357 × 458333
103574583332020-10-241.373e+90.20670.2774

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-10-24T08:17:55ktonyMusic74100074100036119.3964.407879.38.8131.360%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-25T14:18:00EPF263264--0.018--
2010-09-07T16:47:00subgeniusgigacare264265--0.035--
2012-05-24T19:23:00omiXorpLLB05-990-01265266--0.070--
2015-05-02T01:45:00Judge HaleManual testing266268--0.418--
2015-05-02T01:45:00Judge HaleManual testing268269--0.558--
2015-05-02T01:45:00Judge HaleManual testing269270--1.115--
2015-06-06T19:38:00David HruskaManual testing270271--2.231--
2018-02-28T18:52:22el groccoManual testing271272--4.461--
2020-02-29T20:54:36el groccoManual testing272273--8.923--
2020-03-06T20:34:10Hans LoeblichManual testing273274--17.85--
2020-03-12T09:18:09LaurVManual testing274275--35.69--
2020-09-19T11:31:01James HeinrichGPU72_TF275276--71.38--
2020-09-19T12:38:02RichD0GPU72_TF276277--142.8--


ECM factoring results:
Exponent "107201089" not found


Lucas-Lehmer results:
Exponent "107201089" not found


PRP results:
Exponent "107201089" not found


P-1 factor-bounds graph:
B1 = 741000 (stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
266
265
264
250
260
270
280
290
2100
2110
2120
Last modified: 2020-10-24T08:17:55+00:00