Factorisation
Hong Kong
Stage 4 - Stage 5
Highest common factor
Interactive practice questions
What is the highest common factor of $3$3 and $15x$15x?
Easy
< 1min
What is the highest common factor of $6x$6x and $21$21?
Easy
< 1min
Factorise the following expression by taking out the highest common factor:
$7x+35$7x+35
Easy
< 1min
Factorise the following expression by taking out the highest common factor:
$48+12y$48+12y
Easy
< 1min
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