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 1+ year
- !Pre-1.0: API may have breaking changes
- ✓Trusted by 249 crates
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
28.8K downloads in the last 30 days (960/day), up 31% from the previous period.
249 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 10+ 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, primal-sieve, primal-estimate, raptorq, 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
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Download Trend
Top Dependents
Most downloaded crates that depend on primal
