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1.   The greatest number that exactly divides 105, 1001 and 2436 is :

  • A. 3
  • B. 3
  • C. 3
  • D. 3

Answer: Option B

Explanation:

We have to find out the prime factors of each number.

105 = 3×5×7

1001 = 7×11×13

2436 = 2×2×3×7×29

As you can see, the factors "7"


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