Question

find the LCM and HCF of 8, 9 and 25 by using prime factorization method

please answer it fast ​

Answer 1

First, find the prime factors of the given integers: 8, 9 and 25 For, 8 = 2 × 2 x 2 9 = 3 × 3 25 = 5 × 5 Now, L.C.M of 8, 9 and 25 = 23 × 32 × 52 ∴ L.C.M (8, 9, 25) = 1800 And, H.C.F (8, 9 and 25) = 1.

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Answer 2

1. 8=2.2.2
2. 9=3.3
3. 25=5.5
4. Now lcm of 8,9and 25= 2³.3².5²
5. therefore Lcm (8,9and 25)=1800
6. ans HCF (8,9and 25)= 1