Page 1 - Assessment Subjective
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Subjective Assessment-4


               1. Here is factor tree for 60. Write the missing numbers.
















               2. Which factors are not included in the prime factorisation of a composite number?
               3. Write the greatest 4-digit number and express it in terms of its prime factors.

               4. In which of the following expressions, prime factorisation has been done?

                     (a) 24 = 2 × 3 × 4
                     (b) 56 = 7 × 2 × 2 × 2

                     (c) 70 = 2 × 5 × 7

                     (d) 54 = 2 × 3 × 9
               5.  I am the smallest number, having four different prime factors. Can you find me?
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