Luyện — Tбє­p Жїc

Identify the prime factors that are common to all numbers.

Multiply these common prime factors together, each raised to its smallest power found in the factorizations. 4. Practice Exercises (Luyện tập) Problem 1: Find the common factors of 12 and 15. Step 1: Step 2: Answer: Problem 2: Find the Greatest Common Factor of 18 and 24. Factorize: Identify common prime factors: 2 and 3. Smallest powers: 212 to the first power 313 to the first power Calculation: Luyện tбє­p ЖЇC

This is the largest number in the set of common factors. 2. How to Find Common Factors (ƯC) There are two primary methods used in practice: Method 1: Direct Listing (For small numbers) List all factors of each number. Identify the numbers that appear in all lists. Identify the prime factors that are common to all numbers

Since all common factors of a set of numbers are actually factors of their , it is often faster to: of the numbers. Find all factors of that . These are your common factors. 3. Step-by-Step Guide to Finding ƯCLN To find the of numbers greater than 1, follow these three steps: Practice Exercises (Luyện tập) Problem 1: Find the