Back to Problems

agoh_giuga.variants._13000_le_digits_length_of_isStrongGiuga

Specification

Borwein, Borwein, Borwein and Girgensohn showed that any strong Giuga number has at least 13000 digits. Ref: D. Borwein, J. M. Borwein, P. B. Borwein, and R. Girgensohn, _Giuga’s conjecture on primality_

Actions

Submit a Proof

Have a proof attempt? Submit it for zero-trust verification.

Submit Proof
Lean 4 Statement 
theorem agoh_giuga.variants._13000_le_digits_length_of_isStrongGiuga
    (a : ℕ) (ha : IsStrongGiuga a) : 13000 ≤ (Nat.digits 10 a).length
ID: Wikipedia__AgohGiuga__agoh_giuga.variants._13000_le_digits_length_of_isStrongGiuga
Browse 300 unsolved math conjectures formalized in Lean 4
Browse

All Problems

Explore all 300 unsolved conjectures.

View problems →
ASI Prize documentation for formal verification pipeline
Docs

Verification Pipeline

How zero-trust verification works.

Read docs →
Evaluation Results

Recent Submissions

No submissions yet. Be the first to attempt this problem.