primal
v0.3.3 Growing`primal` puts raw power into prime numbers. This crates includes: optimised prime sieves, checking for primality, enumerating primes, factorising numbers, and state-of-the-art estimation of upper and lower bounds for π(n) (the number of primes below n) and p_k (the k-th prime).
Quick Verdict
- ✕Not updated for 2+ years
- !Pre-1.0: API may have breaking changes
- ✓Trusted by 250 crates
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
24.0K downloads in the last 30 days (801/day). Volume is roughly flat compared to the previous period.
250 crates depend on primal. Reasonable ecosystem adoption, though not yet a core dependency.
The primary maintainer publishes 59 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
Despite being 11+ years old, primal hasn't reached 1.0 yet. Expect potential API changes between versions.
At 25KB, primal is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include primal-check, raptorq, primal-sieve, primal-estimate, maglev. When high-quality crates choose primal, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Most downloaded crates that depend on primal