AMR-030-0065
Partially Solved
L3

There is no n so that the only integer m with phi(n) = phi(m) is m=n

Category:Number Theory
Set:AMR Open Problem Lists
Carmichael

Problem Statement

Background

UnsolvedMath v1.3 research audit

Research Notes

Partial progress
Suggested difficulty: L3
Source wording reviewed

These notes are machine-generated research aids from a supervised audit, not peer-reviewed mathematical results. Verify citations and arguments before relying on them.

Audit summary

Result

What remains

Full audit trail

Problem and source review

Literature status

Work performed

About Number Theory: Properties of integers, prime numbers, Diophantine equations.

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