Question

find the HCF of 1560,1755 and 2925 using the prime factorisation method

Answer 1

Heya!!☺

Here is your answer.
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☑ The numbers are 1560,1755,2925

✒ HCF by prime factorisation method

1560 = 2 ×780

= 2 × 2 × 390

= 2 × 2 × 2 × 195

= 2 × 2 × 2 × 3 × 65

= 2 × 2 × 2 × 3 × 5 × 13


1755 = 3 × 585

= 3 × 3 × 195

= 3 × 3 × 3 × 65

= 3 × 3 × 3 × 5 × 13


2925 = 3 × 975

= 3 × 3 × 325

= 3 × 3 × 5 × 65

= 3 × 3 × 5 × 5 × 13

✒HCF = 3 × 5 × 13 = 195

❇ Hope it will help you friend. :)