Worktodo.txt

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Worktodo.txt is the file that tells Prime95 what work units to do and specifically what other parameters to use for that particular assignments and worktype.

The list below shows the meaning of the various entries:

Lucas-Lehmer tests

• Test=assignment ID,exponent,how far factored,has been P-1'ed
• DoubleCheck=assignment ID,exponent,how far factored,has been P-1'ed
• AdvancedTest=exponent

AdvancedTest simply LL tests the given Mersenne number, (ignoring any sort of prefactoring) and is used by Prime95 when you use the Advanced > Test option.

Probable prime

• PRP=k,b,n,c[,how_far_factored,tests_saved][,known_factors]

Factoring

• Factor=assignment ID,exponent,how far factored,how far to factor to
• Pfactor=assignment ID,k,b (base),n (exponent),c,how far factored,LL tests saved if factor found
• Pminus1=assignment ID,k,b,n,c,B1,B2[,B2_start][,"factors"]
• ECM2=assignment ID,k,b,n,c,B1,B2,curves to do[,specific_sigma,B2_start][,"factors"]

where k, b, n, c represent a number k × bⁿ + c. (c can take negative values.)

See also

• Assignment ID

Great Internet Mersenne Prime Search (GIMPS)

General

Main page Why participate in GIMPS? Introductory stuff

Definitions

GIMPS client files Worktype Assignment ID Self-assign Torture test Worktodo.txt

Work with GIMPS

PrimeNet server GIMPS clients Assignments GIMPS type of work Overclocking and Prime95 Top GIMPS teams

Related

79.3 million Lone Mersenne Hunters 100 Million Digit Prefactor Project Operation Billion Digits

FAQ	How to get started with GIMPS GIMPS factoring and sieving GIMPS networking, PrimeNet and communication GIMPS chances of finding a prime number