is 2 107201071 - 1
has 32270738 decimal digits
takes 439.673 GHz-days to do one PRP 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
Actual277285.521164.9351%8450001668875010.15883.4454%295.679868.3805%5.8805%
PrimeNet2728.920962.5000%450000220000009.65865.4092%18.579567.9092%5.4092%
GPU72276142.759764.4737%7000002400000011.71233.9757%154.472068.4493%3.9757%
Difference+1+142.7614+0.4614%+145000-7311250-1.5536-0.5302%+141.2078-0.0688%-0.0688%

Known prime factors:
No known factors for M107,201,071

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-10-23T20:16:11RichD0test_-_gpu72845000166887506---10.16--3.445%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-24T13:19:00sasaki3MATE_J263264--0.018--
2010-09-07T09:34:00oodairaWin02264265--0.035--
2012-05-24T18:59:00omiXorpLLB05-990-01265266--0.070--
2015-05-02T09:45:00Judge HaleManual testing266268--0.418--
2015-05-02T09:45:00Judge HaleManual testing268269--0.558--
2015-05-02T09:45:00Judge HaleManual testing269270--1.115--
2015-09-08T07:44:00wuxiaoDNE_Jiang_QX270271--2.231--
2018-02-28T18:52:22el groccoManual testing271272--4.461--
2020-02-29T20:54:36el groccoManual testing272273--8.923--
2020-03-06T22:41:17Hans LoeblichManual testing273274--17.85--
2020-03-12T06:18:10LaurVManual testing274275--35.69--
2020-09-18T02:17:02ktonyGPU72_TF275276--71.38--
2020-09-18T16:56:02RichD0GPU72_TF276277--142.8--


ECM factoring results:
Exponent "107201071" not found


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2021-01-30T00:29:04Ilya AlexandrovKatz_sPC14B7C9F5E3F90E__439.7


PRP results:
Exponent "107201071" not found


P-1 factor-bounds graph:
B1 = 845000, B2 = 16688750 (stage 2)
B1 = 845000 (stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
266
265
264
250
260
270
280
290
2100
Last modified: 2021-01-30T00:29:04+00:00