is 2 107373143 - 1
has 32322537 decimal digits
takes 440.379 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
Actual278570.128765.3846%25000007500000038.35824.7170%608.486970.1016%7.6016%
PrimeNet2728.906662.5000%450000220000009.65865.4103%18.565267.9103%5.4103%
GPU72276142.530964.4737%7000002400000011.71233.9764%154.243368.4501%3.9764%
Difference+2+427.5977+0.9109%+1800000+51000000+26.6459+0.7406%+454.2436+1.6515%+1.6515%

Known prime factors (1 factor, 77.8 bits, 0.00007245% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1073731432623568241479509589316792477.7961221705990984873
3 × 23 × 37 × 81761 × 5852881
8176158528812021-02-14342.632.35613.5419

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-02-14T14:06:26ViliamFManual testing2500000750000002477.79638.36880.876.724.717%
2021-02-25T14:34:21Ernst W. MayerManual testing550000055000002477.79632.71880.865.422.649%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-24T23:51:00BattlemaxxMaxx_mom263264--0.018--
2010-09-07T17:22:00carlos56tesa116264265--0.035--
2012-05-18T06:52:00Thomas StorkDeeppurple265266--0.070--
2013-09-18T06:08:00AdolfNorManual testing266267--0.139--
2013-09-19T23:04:00LuiVTestCoreDuo_bd2267268--0.278--
2013-09-24T22:42:00RobishManual testing268269--0.557--
2013-09-27T01:53:00arnaudSRV-210269270--1.114--
2013-10-07T07:41:00g0bManual testing270271--2.227--
2015-03-02T20:16:00ANONYMOUSManual testing271272--4.454--
2020-03-29T09:54:11SRBaseManual testing272273--8.908--
2020-07-04T10:55:10XZTManual testing273274--17.82--
2021-01-22T05:31:00Tucker KaoManual testing274275--35.63--
2021-01-23T00:03:52Tucker KaoManual testing275276--71.27--
2021-02-14T13:57:07ViliamFManual testing276277--142.5--
2021-02-14T13:57:08ViliamFManual testing27727877.7962457.57896.9117.2


ECM factoring results:
Exponent "107373143" not found


Lucas-Lehmer results:
Exponent "107373143" not found


PRP results:
Exponent "107373143" not found


P-1 factor-bounds graph:
B1 = 2500000, B2 = 75000000 (stage 2)
B1 = 5500000 (stage 1)
B1 = 2500000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2021-02-25T14:34:21+00:00