Carmichael Function Calculator

λ(n) = exp(Z/nZ)*

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About Carmichael Function Calculator

A Carmichael function calculator computing λ(n): the exponent of the multiplicative group (Z/nZ)*. λ(n) is the smallest positive k such that aᵏ≡1 (mod n) for ALL a coprime to n. Shows factorization and comparison with φ(n). Client-side.

Carmichael Function Calculator Features

  • λ(n) computation
  • Factorization
  • Compare φ(n)
  • Carmichael check
  • Table
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