GIMPS (Prime95) PrimeNet Mersenne exponent / factor details

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P-1 probability calculator

P+1 Factors
Factors missed by P-1
Factors missed by TF
Exponents with gaps in TF
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
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Probable prime (PRP) testing

Trial-factoring assignment >1000M
Worktodo balancer
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Sort Strings by Length
Worktodo skip known-factor assignments
P-1 to TF worktodo rewriter
TF worktodo bit level splitter
Factoring Beyond First Factor
mfactor/factor5 results to JSON converter
P-1 effort distribution
TF distribution for factored exponents
Exponents that were poorly P-1 factored
Results to BBcode factor results converter

Graphs of Known Factors

0M	<	10¹⁰	All tracked exponents
0M	<	2³²	GPU TF range
0M	<	1000M	PrimeNet range
0M	<	193M	low-PrimeNet, low-res
0M	<	385M	low-PrimeNet, high-res
50M	<	146M	PrimeNet wavefront

Trial-Factoring bit-depth lookup
Prime Factorization for small numbers
Calculate decimal digits in Mersenne number
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

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Browse exponents by range

M3,130,000,001 - M3,139,999,999