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formal statement (Lean)
2371theorem repunit_four_composite : ¬ Prime 1111 ∧ 1111 = 11 * 101 := by native_decide
proof body
Term-mode proof.
2372
2373/-- 11111 = 41 × 271 is not prime (R_5 factors). -/
depends on (5)
Lean names referenced from this declaration's body.
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is
in IndisputableMonolith.Foundation.OptionAEmpiricalProgram
decl_use
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is
in IndisputableMonolith.Foundation.SimplicialLedger.EdgeLengthFromPsi
decl_use
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is
in IndisputableMonolith.GameTheory.MechanismDesignFromSigma
decl_use
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is
in IndisputableMonolith.Mathematics.RamanujanBridge.MockThetaPhantom
decl_use
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Prime
in IndisputableMonolith.NumberTheory.Primes.Basic
decl_use