The prime factorisation of 12 is A2 × 6 B3 × 4 C2 × 2 × 3 D1 × 12 Tap an answer to check. Show the answer Answer: C. 2 × 2 × 3 All factors in a prime factorisation must be prime. Report a problem The answer is wrong Spelling or typing mistake The question is unclear Out of date Something else Send