6:02 Prime Factorisation - GCSE Maths
Clear UK GCSE walkthrough of writing a number as a product of primes, with worked examples.
Prime factor decomposition
Decompose numbers into the product of their prime factors
7 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.
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6:02 How to Use Prime Factor Trees to find Prime Factors
Cognito's crisp factor-tree method, showing the path doesn't matter and how to use index notation.
6:08 Product of Primes - Corbettmaths
Corbettmaths clearly explains writing numbers as a product of primes, plus the calculator method.
10:09 Prime Factor Decomposition
Thorough UK explanation of prime factor decomposition including writing your answer in index form.
6:40 Math Antics - Prime Factorization
Math Antics gives a friendly, very clear intro to prime factorization and factor trees.
13:15 Product of Prime Factors (Higher & Foundation) | GCSE Maths Tutor
Detailed UK tutorial on writing numbers as a product of prime factors in index form.
7:02 Expressing a Number as the Product of its Prime Factors
Maths Genie's clear exam-style walkthrough of expressing a number as a product of its prime factors.