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Tap every prime number

Exercise and reference answers

Questions
  1. Items
    1. Text
      2
      Matches the category
      Yes
    2. Text
      3
      Matches the category
      Yes
    3. Text
      11
      Matches the category
      Yes
    4. Text
      9
      Matches the category
      No
    5. Text
      15
      Matches the category
      No
    6. Text
      21
      Matches the category
      No
    Category
    Prime number
Instructions
Tap only the items that belong to the category shown.

Explanation

_Source: syllabus Maths Ch1 Real Numbers, 1.2 The Fundamental Theorem of Arithmetic_
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