is 21304129-1
has 392,582 decimal digits
takes 0.041 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
Actualunknown500,00015,000,0000.0593182.8758%0.0593182.8758%120.3758%
PrimeNet2560.007462.5000%6,000100,0000.00052.5952%0.007965.0952%2.5952%
GPU722600.117865.0000%5,50036,0000.00030.9356%0.118165.9356%0.9356%
Difference-60-0.1178-65.0000%+494,500+14,964,000+0.0590+181.9402%-0.0588+116.9402%+116.9402%

Known prime factors (3 factors, 201.0 bits, 0.01541064% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
130412946009671131032.0991764
22 × 32 × 72
4949-2.194e-102.252e-64.583e-6
1304129118539911595252552098231272683.2944544792409157857547
1609 × 4127 × 52721 × 12981949
52,72112,981,9492015-01-12751,0510.03480.0607
1304129578977529966784496461177432685.58222197862710160746999
3 × 13 × 23 × 29 × 5791 × 163861 × 899273
163,861899,2732015-01-123,004,2030.00940.0153

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
13041295453982348276843591332812187382235135115.393
130412926638565745431474505761422366878595936117.681
130412968631945217900319486946432330059863035993324644236
1
51168.875
130412931577332284877698887163356794328539114988962197566
27211073793
61200.975
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-01-12T20:35:00alpertronManual testing500,00015,000,0001251168.8750.0590.0830.1199.338%


Trial Factoring results:
Exponent "1304129" not found


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,0002519.69


Lucas-Lehmer results:
Exponent "1304129" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-30T01:07:54Oliver KruseGTX-1
4600967113
11853991159525255209823127
57897752996678449646117743
59C1160F31383E03no
2017-10-05T21:16:30Oliver KruseManual testing
4600967113
11853991159525255209823127
57897752996678449646117743
59C1160F31383E__no
2017-10-22T21:53:55kkmrkkblmbrbkc4.xlarge
4600967113
11853991159525255209823127
57897752996678449646117743
59C1160F31383E__no


P-1 factor-bounds graph:
B1 = 500,000, B2 = 15,000,000 (stage 2)
B1 = 500,000 (stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
230
240
250
260
270
280
290
2100
Last modified: 2018-03-23T17:18:07+00:00