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Note that your final mark will not be saved in the system.

Highest Common Factors & Least Common Multiples Exam

Target Level

4-6

Running Total

Attempt

1 of 1

Type your best answer into the yellow box. Fully complete your answer & then click ‘Check Answer!’ to compare to the Model Answer. Do not forget to give yourself a mark!

Type 'P' if you will be answering this question on paper, and hand your solutions in to your teacher.

1. Written as a product of its prime factors,

240 = 2⁴ × 3 × 5
and 168 = 2³ × 3 × 7.

Work out the value of the Highest Common Factor (HCF) of 240 and 168 [2 marks]

π + − ÷ × < > ≤ ≥ π

This is question number 1. Good luck!

Pass Mark

65%