Question

Find the largest number which can exactly divide 513,783,1107?

Answer 1

Step-by-step explanation:

step 1-Express the Given Numbers as Product of Prime factors using prime factorisation

513=3×3×3×19

783=3×3×3×29

1107=3×3×3×41

step 2- note the common factors

common factor is 3

step 3-Multiply all the common prime factors to get the  HCF of the given numbers.

HCF=3×3×3=27

hence, the largest number is 27

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