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Home Assignment-4


               1. Nida made a factor tree of 15 as shown:











               What can you say about the three numbers in the tree?
               a) 3 + 5 = 15     b)  3 × 5 = 15     c)  3 ÷ 5 = 15    d) None of these

               2. Bob and Ross made factor trees of 18 as shown below:

















               Who among them made the correct factor tree of 18?
               a) Bob     b) Ross    c) None of them

               3.  Write the smallest 5-digit number and express it in the form of its prime factors.

               4. Find all the prime factors of 1729 and arrange them in ascending order. Now state
               the relation, if any; between two consecutive prime factors.


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