is 2 49602029 - 1
has 14931699 decimal digits
takes 90.868 GHz-days to do one PRP test
Last-known PrimeNet details:
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
Actual2670.599061.1940%----0.599061.1940%
Target27338.563864.3836%3200008000000012.38163.6790%50.945465.6939%
Difference-6-37.9648-3.1895%-320000-80000000-12.3816-3.6790%-50.3464-4.4999%

Known prime factors (1 factor, 64.7 bits, 0.00013040% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
49602029295686875818664114392064.681298059254611
209203 × 1424737
2009-02-1720920314247370.08500.73161.1310

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2009-02-17Sturle Sundegalton.ifi2064.681-181.7-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-01-21Jocelyn Larouchev4_computers21252--1.20955e-5--
2003-12-31Team Prime Ribv4_computers21259--0.002--
2007-07-241997rj7v4_computers21263--0.032--
2009-02-06Harri Järvics-pallot263264--0.040--
2009-02-07tmorrowteapot264265--0.075--
2009-02-07tmorrowteapot265266--0.151--
2009-02-09tmorrowteapot266267--0.301--


ECM factoring results:
No ECM results for M49602029


Lucas-Lehmer results:
No L-L results for M49602029


PRP results:
No PRP results for M49602029


P-1 factor-bounds graph:
104
105
106
104
105
106
107
TF factor-bounds graph:
267
266
265
264
263
259
252
this exponent TF target: 73
TF double-checked to: 67.8
250
260
270
280
Last modified: 2023-06-05T21:50:05+00:00