Wieferich Prime Calculator
Free online wieferich prime calculator. Enter your values and get instant results with the formula, step-by-step working, a worked example and FAQs — everything runs locally in your browser on Calcton, no signup required.
Wieferich 素数是满足 a^(p−1) ≡ 1 (mod p²) 的素数 p。对 a = 2，已知 10¹⁷ 以内仅有 1093 与 3511；对 a = 3 为 11，a = 5 为 20771、40487。费马商 qₚ(a) = (a^(p−1) − 1)/p 在这些 p 上被 p 整除，与 ABC 猜想及费马大定理第一情形的历史相关。
How to use the Wieferich Prime Calculator
- Fill in the inputs with your own numbers — every field shows what it expects.
- The result updates instantly as you type; no "Calculate" click needed.
- Read the result card for the main figure, the step-by-step formula, and practical notes.
Frequently asked questions
Is the Wieferich Prime Calculator free?
Yes — all math calculators on Calcton are free, with no sign-up required. Your inputs are processed in your browser and never sent to a server.
Is there a Chinese version of this tool?
Yes. Use the Chinese version link above — it is the same calculator with the interface in Simplified Chinese.
References
Formulas and benchmarks used by this calculator follow these published sources.
KevinContent LeadCalcton Editorial Team · Last updated 2026-09-24
Kevin maintains Calcton's formula verification and content: every calculator cites the standard it implements, worked examples are recomputed programmatically, and health benchmarks follow WHO and international guidelines.
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Free online math calculators for algebra, statistics, number theory and everyday arithmetic — from quadratic equations and matrices to percentages, fractions and prime factorization, each with step-by-step formulas.