List of top Questions asked in CBSE Class X

Find the LCM and HCF of the following pairs of integers and verify that LCM × HCF = product of the two numbers.

1. \(26\) and \(91\)
2. \(510\) \(\)and \(92\)
3. \(336\) and \(54\)

Express each number as a product of its prime factors: 

1. \(140\) 
2. \(156\) 
3. \(3825\) 
4. \(5005\) 
5. \(7429\)