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Standard X
Maths
Fundemental Theorem of Arithmetic
Question

Find the HCF of $$12, 16$$ and $$28.$$

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Solution
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$$12=2\times2\times3$$
$$16=2\times2\times2\times2$$
$$28=2\times2\times7$$
common factor $$3$$ numbers $$=2\times2$$
HCF is $$2$$

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