is 2 1097 - 1
has 331 decimal digits
takes 0.000 GHz-days to do one PRP test
Has been fully factored.
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-
Cofactor is a certified prime

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actualunknown----0.00000.0000%
Target2440.002175.0000%500500000.00000.6245%0.002175.1561%
Difference-44-0.0021-75.0000%-500-500000.0000-0.6245%-0.0021-75.1561%

Known prime factors (7 factors, 1,097.0 bits, 100.00000000% known):
Remaining cofactor is a certified-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1097980719619.903447
3 × 149		-31496.983e-112.096e-102.819e-10
10974666639722.1542127
3 × 709		-37097.439e-107.933e-101.372e-9
1097229267191757991444.38210449735267
3 × 991 × 3514879		-99135148790.00313.682e-66.843e-6
109717344927653386617101718332580.521790561880281978901628
22 × 3 × 7 × 4792927 × 1963612413821		2014-04-2347929271963612413821353,085,2142.04693.8228
1097360795842379274115113335225772994.86516444660090213040798237704
23 × 43 × 47804244448293723250691		2014-04-2343478042444482937232506914.420e+124.983e+109.307e+10
109720529597389862002952827253786826333107.33993571546900009129228930053723
3 × 72 × 29 × 733 × 967 × 40037 × 4186201 × 184763603		2014-04-2341862011847636031.338e+140.00030.0004
1097
click to show decimal representation
220727.8352014-04-23

57 Composite Factors:
P-1 results:
No P-1 results for M1097


Trial Factoring results:
No TF results for M1097


ECM factoring results:
No ECM results for M1097


Lucas-Lehmer results:
No L-L results for M1097


PRP results:
No PRP results for M1097


P-1 factor-bounds graph:
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67.9
250
260
270
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290
2100
2110
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Last modified: 2023-10-02T12:12:48+00:00