is 2 1026215273 - 1
has 308921580 decimal digits
takes 54,767.114 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
Actual2710.465957.7465 %----0.465957.7465 %
Target2857,635.566964.7059 %600000014000000006,341.51264.5367 %13,977.079566.3071 %
Difference-14-7,635.1011-6.9594 %-6000000-1400000000-6,341.5126-4.5367 %-13,976.6136-8.5606 %

Known prime factors (1 factor, 69.0 bits, 0.00000672% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10262152735857560849580593086632168.989285396300547
29 × 59 × 166800877		2020-06-22591668008770.0757703.251,313.5

P-1 results:
No P-1 results for M1026215273


Trial Factoring results:
5758596061626364656667686970717273747576777879808182838485
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-12-06frmkya40212680.058
2020-12-12slaursekunda-rtx20602642680.055
2020-06-22ViliamF3GPU268271
68.989
21
0.408


ECM factoring results:
No ECM results for M1026215273


Lucas-Lehmer results:
No L-L results for M1026215273


PRP results:
No PRP results for M1026215273


CERT results:
No CERT results for M1026215273


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
271
268
this exponent TF target: 85
250
260
270
280
290
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Last modified: 2024-04-17T15:19:26+00:00