A highest common factor worksheet helps learners practice finding the largest number that divides two or more numbers exactly. It is a simple way to build confidence with factors, shared factors, and the greatest common divisor. This kind of worksheet is best for students who already know basic multiplication facts and can list factors of small numbers without too much support.
What It Covers


A good worksheet on this topic usually starts with factor lists, where students write all the factors of each number before looking for the ones they share. It may then move to pairs of numbers such as 12 and 18, or small sets like 8, 12, and 20. The main task is to spot the highest common factor, not to use advanced methods. Some sheets also include simple worded prompts that ask learners to choose the common factor from several options.
Who It Suits
These worksheets are generally suitable for upper primary learners, especially around Year 5 or Year 6, though some Year 4 students may be ready with support. They work well for pupils who need extra practice before moving on to more complex problem solving. A teacher or parent can use the worksheet as a short lesson task, homework, or quick review. The clear, repetitive format makes it useful for independent practice as well as guided work at the table.



To complete the worksheet, start by listing factors for each number neatly and checking that every factor divides evenly. Then compare the lists and circle or write down the highest number that appears in both. Learners can check their answers by testing the chosen number in each number pair to make sure it works exactly. If they miss one, have them reread the factor lists and look for the largest shared factor rather than the first one they see.
A focused HCF worksheet is most useful when the student explains the shared factors out loud or on paper before moving to the next question.

