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Look up single exponent:
Look up factor:
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List of Mersenne Prime numbers
GIMPS progress visualization
Trial-factoring assignment >1000M
Look up exponent / factor
Calculate CPU Credit for any assignment
CPU Throughput calculator
Prime95 benchmarks
Estimated GPU trial-factoring performance
Estimated GPU Lucas-Lehmer performance
P-1 probability calculator
Factors missed by P-1
Exponents with less TF than expected
Exponents with the most known factors
P-1 factors found via Brent-Suyama
Smoothest P-1 factors
Top P-1 factors of Mersenne numbers
Probable prime (PRP) testing
Worktodo balancer
Split large assignment blocks to workers
Worktodo skip known-factor assignments
P-1 to TF worktodo rewriter
TF worktodo bit level splitter
Factoring Beyond First Factor
Exponents that were poorly P-1 factored
Results to BBcode factor results converter
Graphs of Known Factors
0M
<
10
10
All tracked exponents
0M
<
2
32
GPU TF range
0M
<
1000M
PrimeNet range
0M
<
193M
low-PrimeNet, low-res
0M
<
385M
low-PrimeNet, high-res
50M
<
123M
PrimeNet wavefront
Trial-Factoring bit-depth lookup
Prime Factorization for small numbers
Calculate number of digits in an exponent
Convert GIMPS Factoring Effort to PFactor
External Links:
Mersenne Forum
Prime Wiki
GPU to 72
by
Chris Halsall
GIMPS Status
Factorization using ECM
Mersenne software download mirror
Calculate bit size of factor:
Factoring Beyond First Factor
This form will help you find TF / P-1 work for small exponents that already have at least one known factor.
minimum exponent
maximum exponent
minimum TF bits
(optional)
maximum TF bits
(optional)
minimum number of known factors
maximum number of known factors
Fixed B1 you will use for P-1 (optional). If specified, assignments will be generated with this B1 value instead of normal-optimal B1.
In either case if specified/calculated B1 is lower than already-performed P-1 B1, assignment will be generated with (currentB1*1.3).
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