Start learning →

Writing 20 as 2 times 2 times 5 is an example of:

APrime multiplication
BPrime subtraction
CPrime approximation
DPrime factorisation
Answer & Solution
Correct answer: D. Prime factorisation
1. Every factor shown is prime. 2. Their product is the number. 3. It is prime factorisation. _Source: syllabus Mathematics, Chapter 1, Real Numbers._
Practise this question with Quill — CAT →

Keep practising HCF and LCM

Browse all HCF and LCM questions for CAT, or explore more Quantitative Aptitude topics.

Start a HCF and LCM lesson →
Related questions
Number theory bingoType the numberSort the resultsSmallest or greatest powerSlice the number wordsRun the factor gatesPop the correct answersCatch the prime factors