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(5317 - 1) is divisible by 1. 532. 93. 134. 17 |
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Answer» Correct Answer - Option 3 : 13 Given: The number is (5317 - 1) Concept: When is n is odd, then (an - bn) is divisible by (a - b) When n is even, then (an - bn) is divisible by (a - b) and (a + b) Calculation: The number is (5317 - 1) Also, we can write this ⇒ (5317 - 117) Here, n is 17(odd) Then, the number is must be divisible by ⇒ 53 - 1 ⇒ 52 Then, the number is also divisible by the factor of 52 Factor 52 is 1, 2, 4, 13, 26, and 52. ∴ The required answer is 13. |
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