Question
Find the HCF of:2 and an even number.
✓
Answer
2 and 4 are two prime numbers.
Now, HCF of 2 and 4 is as follows:
2 = 2 × 1
4 = 2 × 2 × 1
$\therefore$ HCF =2 × 1 = 2
Now, HCF of 2 and 4 is as follows:
2 = 2 × 1
4 = 2 × 2 × 1
$\therefore$ HCF =2 × 1 = 2
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