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In which of the following expressions, p...

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

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To determine which of the given expressions has been correctly factorized into prime factors, we will analyze each option step by step. ### Step 1: Analyze Option (a) 24 = 2 × 3 × 4 - **Factorization**: The number 4 can be further broken down into 2 × 2. - **Conclusion**: Since 4 is not a prime number, this is not a correct prime factorization. ### Step 2: Analyze Option (b) 56 = 7 × 2 × 2 × 2 - **Factorization**: The factors here are 7 (which is prime), and 2 (which is also prime). ...
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