Prime Factorisation To Find HCF & LCM | Numbers | Maths | FuseSchool
We can use prime factorisation to find the highest common factors and lowest common multiples of any number - even large numbers.
Before we jump straight in with discovering how, if you aren’t quite sure how to find prime factors, or want a factors and multiples recap - watch these videos first.
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Animation & Design: Martin Mukhanu
Narration: Lucy Billings
Script: Lucy Billings
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To find the equation of a straight line from a graph, you first need to find the gradient and then secondly find the y-intercept.
The equation of a straight line is y=mx+c, where m is the gradient and c is the y-intercept.
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An acid is a substance that will dissociate in water to give a proton (or H+ ion) and a conjugate base. An acid is considered to be strong if dissociation nears 100%, and weak if dissociation is usually less than 1%.
In this lesson, we will learn about strong alkalis and weak alkalis.
Watch the final part of the 'using moles' videos, to complete your understanding of the chemical calculations topic.
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This video is part of 'Chemistry for All' - a Chemistry Education project by our Charity Fuse Foundation - the organisation behind The Fuse S