1.

The LCM of two coprime number is 5005 if one of the number is 65 then find the other number

Answer» LET the other number be x
since the lcm is 5005 and one number is 65
we KNOW that the numbers are co primes
so HCF = 1 because co primes have only one 1 as their common factor
using EQUATION HCF ×LCM =PRODUCT OF TWO NUMBERS we GET
1 × 5005= 65 × other number
so other number = 5005/ 65= 77

so the required number is 77


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