Decision Workspace
primal-bit vs feanor-math vs primal-check
Side-by-side comparison of Rust crates
48
primal-bit
growingv0.3.2
Bit-vector specialised to the prime-number-related needs of `primal`.
60
feanor-math
stablev3.5.17
A library for number theory, providing implementations for arithmetic in various rings and algorithms working on them.
50
primal-check
growingv0.3.4
Fast standalone primality testing.
Core Metrics
| primal-bit | feanor-math | primal-check | |
|---|---|---|---|
| Health Score | 48 | 60 | 50 |
| Total Downloads | 939.1K | 79.4K | 16.2M |
| 30d Downloads | 29.8K | 294 | 1.4M |
| Dependents | 22 | 43 | 62 |
| Releases | 8 | 103 | 9 |
| Last Updated | 658d ago | 5d ago | 658d ago |
| Age | 10y 9m | 2y 7m | 10y 9m |
Health Breakdown
primal-bit
Maintenance
4
Quality
16
Community
9
Popularity
7
Documentation
12
feanor-math
Maintenance
19
Quality
18
Community
7
Popularity
6
Documentation
10
primal-check
Maintenance
4
Quality
16
Community
10
Popularity
8
Documentation
12
Technical Details
| primal-bit | feanor-math | primal-check | |
|---|---|---|---|
| Version | 0.3.2 | 3.5.17 | 0.3.4 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 1 | 18 | 2 |
| Crate Size | 11KB | 443KB | 9KB |
| Features | 1 | 7 | 1 |
| Yanked % | 0.0% | 1.9% | 0.0% |
| Edition | 2018 | 2024 | 2018 |
| MSRV | — | — | — |
| Owners | 2 | 1 | 2 |
Links
Quick Verdict
- •feanor-math leads with a health score of 60/100, but none of the options score above 80.
- •primal-check has the most downloads (16.2M), suggesting wider adoption.
- •⚠ primal-bit, primal-check have not been updated in over a year.
- •primal-bit, primal-check are pre-1.0 — API may change.