Question

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Answer 1

Answer:

3) HCF of 2 and 5 by Prime Factorization:-

2 = 1 × 2

5 = 1 × 5

Here you can say that one number is common that is 1.

The highest common factor is 1.

Hence, HCF is 1.

4)Refer to the attachment.

5)Refer to attachment.

Answer 2

Step-by-step explanation:

HCF OF TWO PRIME NUMBERS

$2 \times 1 = 2 \\ 5 \times 1 = 5$