Question

Find the HCF and LCM of the following integers
by applying prime factorization.
1. 12, 15 and 21.
2. 17,23 and 29
3. 8,9 and 25​

Answer 1

Answer:

LCM 420 HCF 9

Step-by-step explanation:

LCM 291 HCF 1

LCM 5800 HCF 1

Answer 2

the HCF of the first one is = 3

The LCM of the first one is = 240

The HCF of the second one is = 1

The LCM of the second one is = 11339

The HCF of the third one is = 1

The LCM of the third one is = 1800

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