is 2 1025978419 - 1
has 308850280 decimal digits
takes 54,754.473 GHz-days to do one PRP test
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2720.932158.3333 %----0.932158.3333 %
Target2857,637.329764.7059 %600000014000000006,341.51264.5365 %13,978.842266.3070 %
Difference-13-7,636.3975-6.3725 %-6000000-1400000000-6,341.5126-4.5365 %-13,977.9101-7.9737 %

Known prime factors (1 factor, 71.5 bits, 0.00000697% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
102597841932561314444575443859112271.4641586842073945
5 × 29 × 149 × 73447909		2020-06-19149734479090.5381309.67578.36

P-1 results:
No P-1 results for M1025978419


Trial Factoring results:
5758596061626364656667686970717273747576777879808182838485
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-12-06frmkya40212680.058
2020-12-12slaursekunda-rtx20602642680.055
2020-06-19ViliamF3GPU268272
71.464
22
0.874


ECM factoring results:
No ECM results for M1025978419


Lucas-Lehmer results:
No L-L results for M1025978419


PRP results:
No PRP results for M1025978419


CERT results:
No CERT results for M1025978419


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
TF factor-bounds graph:
272
268
this exponent TF target: 85
250
260
270
280
290
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Last modified: 2024-04-17T15:19:26+00:00