is 2 697668563 - 1
has 210019165 decimal digits
takes 22,617.704 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
Actual2680.085455.8824%----0.085455.8824%0.0000%
PrimeNet280350.978362.5000%2600000180000000576.55865.6317%927.537064.6119%2.1119%
GPU722845,615.657464.2857%4000000180000000638.78364.2186%6,254.441065.7924%1.5066%
Difference-16-5,615.5719-8.4034%-4000000-180000000-638.7836-4.2186%-6,254.3556-9.9100%-9.9100%

Known prime factors (3 factors, 193.6 bits, 0.00002775% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697668563178406011643085664812063.95212785871480
23 × 3 × 5 × 29 × 3674101
2010-07-182936741010.00419.411017.575
697668563208352139446313341532064.17614932028652
22 × 3 × 281 × 523 × 8467
2017-08-0352384670.00960.04490.0500
697668563515904882380038971832065.48436973493557
72 × 11 × 13 × 607 × 8693
2018-12-1160786930.01780.04920.0581

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
69766856337171274215920786028866177371392632559339128.127
69766856392040532452617973252823887403004412302339129.436
697668563107489885994679762650818057259072839099940129.659
69766856319176841852280788472198978769715117025061492635673
353504519
59193.611
P-1 results:
No P-1 results for M697668563


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-07-18T08:40:00Architects Cubedm1_10??63.952200.00246,3500.004
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2017-08-03T11:41:03TJAOIManual testing264265*64.176200.00446,3500.009
2018-12-11T14:35:00TJAOIManual testing265266*65.484200.00746,3500.015
2022-08-10T19:29:55LordJuliusManual testing2126863.952200.00446,3500.008
2022-08-10T19:29:56LordJuliusManual testing2126864.176200.01046,3500.020
2022-08-10T19:29:56LordJuliusManual testing2126865.484200.01846,3500.036


ECM factoring results:
No ECM results for M697668563


Lucas-Lehmer results:
No L-L results for M697668563


PRP results:
No PRP results for M697668563


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
TF factor-bounds graph:
268
266
265
262
2
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:56+00:00