Question

Find the smallest number which is exactly divisible by 15,20 and 35.​

Answer 1

Answer:

5 is the smallest number which is exactly divisible by 15, 20 and 35

Answer 2

Answer:

We need to find their LCM

$15 = 5 \times 3 \\ 20 = 2 \times 5 \times 2 \\ 35 \times = 7 \times 5 \\ hence \: lcm = 5 \times 3 \times \times 2 \times 2 \times 7 \\ = 420$

Step-by-step explanation:

So the answer is 420