is 2 79241579 - 1
has 23854093 decimal digits
takes 247.272 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2680.752260.2941%----0.752260.2941%0.0000%
PrimeNet2716.033261.9718%340000160000005.39895.2407%11.432163.9648%1.9930%
GPU7227596.564364.0000%500000170000006.32993.7783%102.894265.3602%1.3602%
Difference-7-95.8121-3.7059%-500000-17000000-6.3299-3.7783%-102.1420-5.0661%-5.0661%

Known prime factors (2 factors, 126.9 bits, 0.00016018% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
792415798071738703612842971859.4865093120812
22 × 13 × 97944631
2001-09-1013979446310.001124.14545.096
792415792007966948803287555672167.4441266990747877
53 × 23905485809
2022-08-0553239054858090.60825,893.111,007

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
7924157916207784536230884125306250787390843139939126.930
P-1 results:
No P-1 results for M79241579


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-10T00:00:00Jocelyn Larouchev4_computers??59.486189.90103e-5509.80.000
1999-12-30T00:00:00ANONYMOUSv4_computers21253--1.51426e-5--
2001-05-13T00:00:00Jocelyn Larouchev4_computers21258--0.000--
2022-08-10T19:29:28LordJuliusManual testing2126759.486180.001509.80.002
2022-08-05T09:29:56TJAOIManual testing267268*67.444210.233509.00.480
2022-08-10T19:29:28LordJuliusManual testing26726867.444210.233509.00.480


ECM factoring results:
No ECM results for M79241579


Lucas-Lehmer results:
No L-L results for M79241579


PRP results:
No PRP results for M79241579


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
268
267
258
253
2
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:28+00:00