is 2 267902441 - 1
has 80646671 decimal digits
takes 3,199.946 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
Actual2723.569761.1111%----3.569761.1111%0.0000%
PrimeNet27657.125363.1579%10000006500000077.71065.4935%134.835865.1818%2.0239%
GPU72280914.013965.0000%16000006500000087.53614.0635%1,001.550066.4222%1.4222%
Difference-8-910.4442-3.8889%-1600000-65000000-87.5361-4.0635%-997.9803-5.3111%-1.4222%

Known prime factors (2 factors, 130.8 bits, 0.00004884% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
267902441115519193067868715992063.32521559936639
17 × 29 × 131 × 167 × 1999
2010-03-1716719990.01290.00460.0059
2679024412095831097037873207372167.506391155655248
24 × 32 × 281 × 9666757
2022-09-2228196667570.13829.126317.037

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
267902441242108717136361168839577599394624904846340130.831
P-1 results:
No P-1 results for M267902441


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T22:20:00Sid & AndySarge??63.325200.0076,5730.014
2010-03-06T02:21:00Squeeky_SquirrelP4_2600262263--0.004--
2022-09-22T09:50:45TJAOIManual testing267268*67.506210.0276,5730.056
2022-09-25T22:01:25LordJuliusManual testing2126963.325200.0136,5730.027
2022-09-25T22:01:25LordJuliusManual testing2126967.506210.1386,5730.284
2022-09-25T22:01:25LordJuliusManual testing269270--0.446--
2022-09-25T22:01:25LordJuliusManual testing270271--0.893--
2022-09-25T22:01:25LordJuliusManual testing271272--1.785--


ECM factoring results:
No ECM results for M267902441


Lucas-Lehmer results:
No L-L results for M267902441


PRP results:
No PRP results for M267902441


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
272
271
270
269
268
263
2
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:25+00:00