is 2 77970751 - 1
has 23471535 decimal digits
takes 243.307 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
Actual2703.064661.4286%----3.064661.4286%0.0000%
PrimeNet2716.131561.9718%320000160000005.31335.1893%11.444863.9452%1.9734%
GPU7227598.138264.0000%500000170000006.32993.7707%104.468165.3574%1.3574%
Difference-5-95.0736-2.5714%-500000-17000000-6.3299-3.7707%-101.4035-3.9289%-1.3574%

Known prime factors (3 factors, 174.2 bits, 0.00022343% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
77970751114547447822447931753.34773455396
22 × 3 × 7 × 733 × 1193
-73311932.210e-50.00340.0067
77970751115670276538128571753.36174175428
22 × 151 × 227 × 541
2008-09-112275411.981e-50.00110.0021
779707512092078776769017679212167.5031341579213960
23 × 3 × 5 × 11179826783
2022-09-218111798267830.47572,756.05,147.5

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
7797075113249734966359405352572198470360133106.708
77970751239642284522399743201981155269668535337120.850
77970751241991330648422023673160865977996029737120.864
7797075127719489320934866360074390754490754158881436074983
521
53174.211
P-1 results:
No P-1 results for M77970751


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-11T20:31:00Will EdgingtonManual testing??53.361174.42362e-6501.29.11296e-6
2000-08-17T00:00:00ANONYMOUSv4_computers21253--1.53894e-5--
2022-09-25T22:01:21LordJuliusManual testing25326753.347176.71538e-6501.21.38341e-5
2022-09-25T22:01:21LordJuliusManual testing25326753.361174.42362e-6501.29.11296e-6
2022-09-21T07:17:14TJAOIManual testing267268*67.503210.095500.50.195
2022-09-25T22:01:21LordJuliusManual testing26726867.503210.095500.50.195
2022-09-25T22:01:21LordJuliusManual testing268269--0.767--
2022-09-25T22:01:21LordJuliusManual testing269270--1.533--


ECM factoring results:
No ECM results for M77970751


Lucas-Lehmer results:
No L-L results for M77970751


PRP results:
No PRP results for M77970751


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
270
269
268
267
253
2
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:21+00:00