Question

HCF of 72,81,99 in prime factoisation ​​

Answer 1

Answer:

Looking at the occurences of common prime factors in 72, 81, and 99 we can see that the commonly occuring prime factors are 3 and 3.HCF of two or more numbers is the highest common factor of the given numbers. It is found by multiplying the common prime factors of the given numbers. Whereas the least common multiple of two or more numbers is the smallest number among all common multiples of the given numbers.

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Answer 2

Answer:

HCF=9

Step-by-step explanation:

72=2×2×2×3×3

81=3×3×3×3

99=3×3×11

HCF=3×3=9