To find the LCM of 2 and 6 using prime factorization, we will find the prime factors, (2 = 2) and (6 = 2 × 3). LCM of 2 and 6 is the product of prime factors raised to their respective highest exponent among the numbers 2 and 6. ⇒ LCM of 2, 6 = 21 × 31 = 6.