is 2 79221613 - 1
has 23848082 decimal digits
takes 247.210 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
Actual2670.375159.7015%----0.375159.7015%0.0000%
PrimeNet2716.034761.9718%340000160000005.39895.2406%11.433663.9647%1.9929%
GPU7227596.588664.0000%500000170000006.32993.7782%102.918665.3601%1.3601%
Difference-8-96.2136-4.2985%-500000-17000000-6.3299-3.7782%-102.5435-5.6587%-5.6587%

Known prime factors (2 factors, 120.9 bits, 0.00015255% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
79221613122108751306899031753.43977067827
47 × 61 × 26881
-61268812.041e-50.00690.0124
792216131963966104031534550892167.4121239539331288
23 × 3 × 51647472137
2022-07-138516474721370.584812,73223,780

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
79221613239817448572366040902680881469626636737120.851
P-1 results:
No P-1 results for M79221613


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-30T00:00:00ANONYMOUSv4_computers21253--1.51464e-5--
2022-07-14T18:17:16LordJuliusManual testing2126753.439172.04149e-5509.64.20870e-5
2022-07-13T08:17:34TJAOIManual testing267268*67.412210.210508.90.432


ECM factoring results:
No ECM results for M79221613


Lucas-Lehmer results:
No L-L results for M79221613


PRP results:
No PRP results for M79221613


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
253
250
260
270
280
290
2100
Last modified: 2022-07-14T18:17:16+00:00