Find the Highest Common Factor (HCF) of 147 and 70.

Sure, here are the steps to find the Highest Common Factor (HCF) of 147 and 70:

Step 1: Write down the prime factors of each number.

• Prime factors of 147: 3, 7, 7
• Prime factors of 70: 2, 5, 7

Step 2: Identify the common prime factors.

• The common prime factors are: 7

Step 3: Multiply the common prime factors together.

• The HCF is: 7

So, the Highest Common Factor (HCF) of 147 and 70 is 7.