Prime factorisation
Types of exercises: choosing the prime factorisation, writing the prime factorisation, the number from its prime factors.
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Problem
The prime factorisation of a number is 2 · 2 · 3 · 3 · 5. What is the number?
Problem
Which is the prime factorisation of 150?
Write the number as a product of prime factors
Write 300 as a product of prime numbers.
Problem
The prime factorisation of a number is 2 · 5 · 5. What is the number?
Problem
Which is the prime factorisation of 126?
Write the number as a product of prime factors
Write 328 as a product of prime numbers.
Problem
The prime factorisation of a number is 2 · 2 · 2 · 3 · 3 · 5. What is the number?
Problem
Which is the prime factorisation of 196?
Write the number as a product of prime factors
Write 900 as a product of prime numbers.
Problem
The prime factorisation of a number is 2 · 5 · 5 · 19. What is the number?
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