Find the greatest common factor

~7 min

Find the common factors shared by both numbers.

Finding Common Factors

Factors of 8Factors of 128️⃣3️⃣1️⃣2️⃣4️⃣
Factors of 8: 4Factors of 12: 4

To find common factors of two numbers, list all the factor pairs for each number and circle the ones that appear in both lists.

💡 Remember that 1 is always a common factor for any two whole numbers.