is 2 79217627 - 1
has 23846882 decimal digits
takes 247.198 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
Actual2703.016461.4286%----3.016461.4286%0.0000%
PrimeNet2716.035061.9718%340000160000005.39895.2405%11.433963.9647%1.9929%
GPU7227596.593564.0000%500000170000006.32993.7782%102.923465.3601%1.3601%
Difference-5-93.5771-2.5714%-500000-17000000-6.3299-3.7782%-99.9070-3.9316%-1.3601%

Known prime factors (2 factors, 125.2 bits, 0.00015806% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
792176272349004216139311671857.7051482627229
43 × 2803 × 12301
2001-05-062803123010.00050.01500.0258
792176272091343019758498517932167.5031319998527448
23 × 18367 × 8983493
2022-09-211836789834930.74492.29324.1363

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
792176274912573570806232809072721018105353243138125.208
P-1 results:
No P-1 results for M79217627


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-05-06T00:00:00Jocelyn Larouchev4_computers??57.705180.000509.60.000
1999-12-30T00:00:00ANONYMOUSv4_computers21253--1.51472e-5--
2022-09-25T22:01:21LordJuliusManual testing25326757.705180.000509.60.001
2022-09-21T07:14:35TJAOIManual testing267268*67.503210.370508.90.761
2022-09-25T22:01:21LordJuliusManual testing26726867.503210.370508.90.761
2022-09-25T22:01:21LordJuliusManual testing268269--0.755--
2022-09-25T22:01:21LordJuliusManual testing269270--1.509--


ECM factoring results:
No ECM results for M79217627


Lucas-Lehmer results:
No L-L results for M79217627


PRP results:
No PRP results for M79217627


P-1 factor-bounds graph:
102
103
104
105
102
103
104
105
106
107
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