Back to Prime Factorisation — Problem 4 · Task Set 12
Exercises: Prime Factorisation
Work through each section in order. Write every prime factorisation as a product of primes, using index (exponent) notation where a prime repeats. Verify larger factorisations by multiplying the primes back to the original number.
Grade 7·16 problems·~28 min·Uganda NCDC Primary 7 Mathematics·lesson·operations-04
Work through problems with immediate feedback
A
Fluency Practice
1.
Use the division ladder to find the prime factorisation of . Write your answer as a product of primes using index notation.