Math Problem Statement

écompose en produit de facteurs premiers les nombres 261 et 420,puis déduis-en le plus grand diviseur commun aux deux nombres.

Solution

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Math Problem Analysis

Mathematical Concepts

Prime Factorization
Greatest Common Divisor (GCD)

Formulas

Prime Factorization of a number
GCD formula using prime factorization: GCD(a, b) = Product of lowest powers of common prime factors

Theorems

Fundamental Theorem of Arithmetic
Euclidean Algorithm for GCD

Suitable Grade Level

Grades 6-8