Question

Calculate the HCF of 3³×5 and 3²×5²
(class 10 CBSE SAMPLE PAPER 2017-18 MATHS)

Answer 1

HCF of two or more numbers is the product of the smallest power of each common prime factors involved in the numbers.


HCF(highest common factor) of two or more numbers is the largest number that divides all the given numbers exactly. It is also known as greatest common divisor (GCD).


SOLUTION:

HCF of 3³ ×5 and 3²×5²

HCF= 3²× 5

HCF= 3×3×5

HCF= 9×5= 45

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Answer 2

Ⴌეf:- 3³×5 and 3²×5²
3³×5×3²×5²
3³×3²×5×5²
ans :- 3^5 × 5³