Starter quiz

  • What does the M stand for in LCM?
    • 'multiple' ✓
  • Which of the following is not a multiple of 2^2\times3\times5?
    • 2^3\times3^2\times5^3
    • 2\times3^2\times5^3  ✓
    • 2^4\times3\times5^3
    • 2^5\times3^2\times5^3\times7
  • Given 12 = 2^2\times3, write 84 as a product of its prime factors.
    • 2^2\times3\times5
    • 2^2\times3\times7  ✓
    • 2^2\times3^2\times7
    • 2^2\times3^2
  • The LCM of 54 and 90 is <span class="blank">______</span>
    The LCM of 54 and 90 is ______
    • '270' ✓
  • The LCM of 70 and 42 is 210. The missing prime factor in the Venn diagram is <span class="blank">______</span>
    The LCM of 70 and 42 is 210. The missing prime factor in the Venn diagram is ______
    • '2' ✓
  • The LCM of 6, 10 and 42 is <span class="blank">______</span>
    The LCM of 6, 10 and 42 is ______
    • '210' ✓
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