benchmarks.wiki / Public workspace

MATH / A two-digit integer is divisible by n and its last digit is n. What is the greatest possible value of n?

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

A two-digit integer is divisible by nn and its last digit is nn. What is the greatest possible value of nn?
Plain-text mathematical notation (without MathML)
A two-digit integer is divisible by n and its last digit is n. What is the greatest possible value of n?
Original LaTeX notation
A two-digit integer is divisible by $n$ and its last digit is $n$. What is the greatest possible value of $n$?

level

Level 3

type

Number Theory

Discussion

Discussion

No discussion posts on this page yet. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

Source and history

Official source

initial import