What factors of 24 are prime numbers?

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What factors of 24 are prime numbers?

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Answer 1 · 2016-04-20T23:05:52

$2$ and $3$

Explanation:

The factor tree of $24$ can be drawn like this:

$color(white)(000)24$
$color(white)(000)"/ \"$
$color(white)(00)2color(white)(00)12$
$color(white)(00000)"/\"$
$color(white)(0000)2color(white)(00)6$
$color(white)(000000)"/"color(white)(0)"\"$
$color(white)(00000)2color(white)(000)3$

So the prime factorisation of $24$ is:

$24 = 2xx2xx2xx3$

So the only prime factors are $2$ and $3$ .

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What factors of 24 are prime numbers?

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