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Ex 1.2, 1 - Express each number as a product of prime factors - LCM/HCF

  1. Chapter 1 Class 10 Real Numbers
  2. Serial order wise
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Ex 1.2 , 1 Express each number as a product of its prime factors: (i) 140 Hence, 140 = 2 × 2 × 5 × 7 = 22 × 5 × 7 Ex 1.2 , 1 Express each number as a product of its prime factors: (ii) 156 Hence, 156 = 2 × 2 × 3 × 13 = 22 × 3 × 13 Ex 1.2 , 1 Express each number as a product of its prime factors: (iii) 3825 Hence, 3825 = 3 × 3 × 5 × 5 × 17 = 32 × 52 × 17 Ex 1.2 , 1 Express each number as a product of its prime factors: (iv) 5005 Hence, 5005 = 5 × 7 × 11 × 13 Ex 1.2 , 1 Express each number as a product of its prime factors: (v) 7429 Hence, 7429 = 17 × 19 × 23

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He provides courses for Mathematics from Class 9 to 12. You can ask questions here.
  • Shivkumar Shivkumar's image
    Shivkumar Shivkumar
    June 9, 2017, 5:42 p.m.

     please explain me this question with easy method that show that the product of two consecutive positive integer is divisible by 2

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