Khushi wants to organize her birthday party. Being health conscious, she decided to serve only fruits in her birthday party. She bought 36 apples and 60 bananas and decided to distribute fruits equally among all.

Assertion (A) : For any two natural numbers a and b, the HCF of a and b is a factor of the LCM of a and b. Reason (R) : HCF of any two natural numbers divides both the numbers.

Assertion-ReasonHCF Using Prime Factorisation MethodRelationship Between HCF and LCM of Two Numbers

State the "Fundamental Theorem of Arithmetic" and use it to find LCM of 36 and 54.

TextFundamental Theorem of ArithmeticLCM Using Prime Factorisation MethodIrrationality of Square Root of Prime Numbers

The LCM of two numbers is 3600. Which of the following can not be their HCF ?

MCQ (Single)HCF Using Prime Factorisation MethodLCM Using Prime Factorisation MethodRelationship Between HCF and LCM of Two Numbers

Show that 45ⁿ can not end with the digit 0, n being a natural number. Write the prime number 'a' which on multiplying with 45ⁿ makes the product end with the digit 0.

TextFundamental Theorem of ArithmeticPrime Factorisation of Natural Numbers