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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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Solution: 1 and 4 are not prime factors
2 and 3 are prime factors.
2 and 3 are prime factors.
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| Question Text | 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 |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
