is 2 4835321 - 1
has 1455577 decimal digits
takes 0.637 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LFCA2D8AC3A6174DBdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2676.145265.6716%----6.145265.6716%0.0000%
PrimeNet2610.063562.2951%200004500000.00833.2287%0.071863.5124%1.2174%
GPU722651.508864.6154%320006500000.01252.3251%1.521465.4381%0.8227%
Difference+2+4.6363+1.0563%-32000-650000-0.0125-2.3251%+4.6238+0.2335%+0.2335%

Known prime factors (2 factors, 166.7 bits, 0.00344765% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4835321145928974322635720572063.6621508989520268
22 × 32 × 379 × 3373 × 32789
2000-07-033373327890.44500.00090.0013
48353211044698067074230423103871998604732103.0431080277883385850104991863
3 × 31193 × 11544020382626979397
2019-06-2131193115440203826269793973.225e+101.201e+112.243e+11

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
483532115245171740498254113171446042004702080467341908867
9
51166.705
P-1 results:
No P-1 results for M4835321


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-07-03T00:00:00ANONYMOUSv4_computers??63.662200.1151.2940.234


ECM factoring results:

Old Calculation Method

Total ECM effort:0.596 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.596 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.09790.776%
25500000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.596


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-09-13T00:00:00ANONYMOUSv4_computersFCA2D8AC3A6174DB0.637


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T06:28:34kkmrkkblmbrbkManual testing
14592897432263572057
D59364A5A98054__no
2018-03-29T03:29:04Oliver KruseGTX-4
14592897432263572057
D59364A5A98054__no
2019-06-21T19:49:17Niels_Mache_NextcloudSuperDry3
14592897432263572057
10446980670742304231038719986047
1A24F80AF1D4A24Dno
2019-06-21T20:49:01ATHec2-PRPCFDC
14592897432263572057
10446980670742304231038719986047
1A24F80AF1D4A24Dno


P-1 factor-bounds graph:
102
103
104
105
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
TF factor-bounds graph:
267
2
250
260
270
280
290
2100
2110
Last modified: 2019-06-21T20:49:01+00:00