Asked by priya

The HCF of two number is 145 and their LCM is 2175. If one number is 725, find the other number.

Answers

Answered by Reiny
435
Answered by drwls
HCF means highest (or greatest) common factor.

Numbers that have a multiple of 2175 are 725, 1450, and 2175, and these factors of 725: 5, 25, 29, 145, 435 and 725. The "other number" must be 145 or a multiple of 145.
If it were 435, 435/145 = 3
If it were 725, 725/145 = 5
Both have 145 as a factor.
If the "other number" must be different from 725, it must be 435. It cannot be 145 because 435 is a greater factor.
Answered by niti
According to the formula
HCF× LCM=1st no. ×2nd no.

Let the no. Be n
So, 145×2175=725× n
=> 315375=725×n
As the no. Changes its side , it also changes its sign,minus to plus, plus tu minus,× to ÷ , ÷ to ×
So,315375÷725=n
=> 435=n or the second no.
Answered by Anonymous
315375 divide by 725
Answer 435
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