primal-check
v0.3.4 GrowingFast standalone primality testing.
Quick Verdict
- ✕Not updated for 1+ year
- !Pre-1.0: API may have breaking changes
- ✓Tiny footprint (9KB, 2 deps)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
1.5M downloads in the last 30 days (49.2K/day), up 30% from the previous period.
The primary maintainer publishes 59 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
Despite being 10+ years old, primal-check hasn't reached 1.0 yet. Expect potential API changes between versions.
Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.
At 9KB, primal-check is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include rustfft, primal, sourmash, optimus. When high-quality crates choose primal-check, 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-check
