Question

Q no. 1 find the HCF of the following number by the prime factor methods



1. 29, 32, 54
2. 26, 11, 32
3. 150, 216, 23
4. 23, 11, 32
5. 24, 68, 18

By using the photo method ​

Answer 1

Answer:

Two numbers which have only 1 as a common factor are said to be co-prime or relatively prime or mutually prime numbers.

We can write 17 as 17 × 1 and 19 as 17 × 1.

Hence, 17 and 19 is a pair of co-prime numbers.