is 2 697872517 - 1
has 210080561 decimal digits
takes 22,624.316 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
Actual2732.741058.9041%----2.741058.9041%0.0000%
PrimeNet280350.875862.5000%2600000180000000576.55865.6319%927.434464.6119%2.1119%
GPU722845,614.016264.2857%4000000180000000638.78364.2187%6,252.799865.7924%1.5067%
Difference-11-5,611.2752-5.3816%-4000000-180000000-638.7836-4.2187%-6,250.0588-6.8883%-6.8883%

Known prime factors (2 factors, 128.9 bits, 0.00001848% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697872517123209081387930762232063.4188827477683
3 × 2942492561
2010-06-25329424925610.00367,536.014,075
697872517532057870722127231272065.52838119990239
32 × 17 × 249150263
2019-01-01172491502630.0119638.101,191.8

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
69787251765554361496891717869556780223610590932139128.946
P-1 results:
No P-1 results for M697872517


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-06-25T07:50:00Architects Cubedm1_11??63.418200.00146,3630.003
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2019-01-01T13:31:10TJAOIManual testing265266*65.528200.00146,3630.003
2022-08-12T16:27:05LordJuliusManual testing2127063.418200.00446,3630.007
2022-08-12T16:27:05LordJuliusManual testing2127065.528200.01246,3630.024
2022-08-12T16:27:05LordJuliusManual testing270271--0.343--
2022-08-12T16:27:05LordJuliusManual testing271272--0.685--
2022-08-12T16:27:05LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697872517


Lucas-Lehmer results:
No L-L results for M697872517


PRP results:
No PRP results for M697872517


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
273
272
271
270
266
262
2
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:05+00:00