Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2007-part-02 — 187 problems (EN–VI) Question 113

Math Olympiad Vault · MathNet 2007-part-02 — 187 problems (EN–VI)

Question 113

$n$ is a 4-digit integer with ten's place nonzero, and if we take the first 2 digits and the last 2 digits as two 2-digit integers, their product is a divisor of $n$. Determine all $n$ with this property.