is 2 29679101 - 1
has 8934300 decimal digits
takes 29.514 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27116.108264.7887%200000690509405.69745.4261%21.805666.6993%
Target2708.051164.2857%220000560000004.69944.1314%12.750565.7612%
Difference+1+8.0571+0.5030%-20000+13050940+0.9980+1.2947%+9.0551+0.9381%

Known prime factors (6 factors, 282.3 bits, 0.00095134% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
29679101236839225991134.463399
3 × 7 × 19
-7198.377e-111.104e-52.054e-5
29679101284919369611134.730480
25 × 3 × 5
2008-09-0932328.513e-114.614e-59.391e-5
29679101160668406845531443.869270676
22 × 72 × 1381
2008-10-014913816.269e-80.00020.0002
29679101813453703938311446.2091370415
3 × 5 × 103 × 887
2008-10-011038875.138e-70.00020.0003
29679101111240402286737531753.305187405276
22 × 46851319
2014-09-164468513197.732e-53.68076.8745
2967910110085870060484811049532269.77316991535660876
22 × 34 × 7 × 1163 × 6441839
2022-04-08116364418396.51300.50770.9452

57 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-04-15masserManual testing20000069050940-
skipped known factor: 23683922599
skipped known factor: 28491936961
skipped known factor: 16066840684553
skipped known factor: 81345370393831
skipped known factor: 11124040228673753
skipped known factor: 1008587006048481104953
--5.697--5.426%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09Will EdgingtonManual testing??34.730118.01184e-1267.931.84399e-11
2008-10-01markrManual testing??43.869142.32108e-867.935.34217e-8
2008-10-01markrManual testing??46.209141.97924e-767.934.55540e-7
2014-09-16TJAOIManual testing253254*53.305173.68945e-567.938.49156e-5
2022-06-25LordJuliusManual testing2126553.305177.73244e-567.930.000
2022-06-25LordJuliusManual testing2126543.869146.26932e-867.931.44294e-7
2022-06-25LordJuliusManual testing2126534.463118.37738e-1167.931.92812e-10
2022-06-25LordJuliusManual testing2126534.730118.51258e-1167.931.95924e-10
2022-06-25LordJuliusManual testing2126546.209145.13783e-767.931.18251e-6
2022-06-25LordJuliusManual testing265266--0.252--
2022-06-25LordJuliusManual testing266267--0.504--
2022-04-08masserManual testing267271--15.11--
2022-04-08masserManual testing26727169.773225.51259.8811.18


ECM factoring results:
No ECM results for M29679101


Lucas-Lehmer results:
No L-L results for M29679101


PRP results:
No PRP results for M29679101


P-1 factor-bounds graph:
B1 = 200000, B2 = 69050940 (P-1 stage 2)
B1 = 200000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
271
267
266
265
254
2
this exponent TF target: 70
TF double-checked to: 67.8
250
260
270
280
Last modified: 2023-06-05T21:50:05+00:00