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Question
Determine the prime factorisation of the following positive integer:
45470971
Numerical
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Solution
| 7 | 45470971 |
| 7 | 6495853 |
| 13 | 927979 |
| 13 | 71383 |
| 17 | 5491 |
| 17 | 323 |
| 19 | 19 |
| 1 |
45470971 = 7 × 7 × 13 × 13 × 17 × 17 × 19
∴ 45470971 = 72 × 132 × 172 × 19
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Chapter 1: Real Numbers - EXERCISE 1.3 [Page 1.25]
