Question

the HCF and LCM of 12 2115 respectively are​

Answer 1

Answer:

3,12

I

don't remember

Step-by-step explanation:

ignore

Answer 2

Answer:

$12 =2 \times 2 \times 3 \\ 21 = 7 \times 3 \\ 15 = 5 \times 3 \\ hcf = 3 \\ lcm = 2 \times 2 \times 3 \times 5 \times 7 = \\ 420$