Prime factorisation — Grade 6 Math, what it means and where it is taught
A number written as a product of primes: 60 = 22 · 3 · 5.
Taught in Grade 6 Math.
Where it is taught
Practise this idea
1 question in the course bank use Prime factorisation, in GCF and LCM.
Problem 1
What is the prime factorisation of 36?
- 22 · 32
- 23 · 3
- 4 · 9
- 62
Worked answer
22 · 32
36 = 4 × 9 = 22 · 32
4, 9 and 6 are not prime, so those answers are incomplete.