Question

what is the least common multiple of 7 and 14?

Explanation:

Step1: Prime - factorize the numbers

$7 = 7$; $14=2\times7$

Step2: Determine the LCM

Take the highest power of each prime factor. Here, prime factors are 2 and 7. For 2, the highest power is $2^1$, for 7 the highest power is $7^1$. Then $LCM(7,14)=2\times7 = 14$

Answer:

14