What is the L.C.M. of $17$ and $5$ ?

105

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95

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85

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5

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Solution

The correct option is A $85$
First we write all numbers as product of their prime numbers.
So,
$17 = 1 \times 17$
$5 = 1 \times 5$

We then choose each prime number with the greatest power and multiply them to get the LCM.
$∴ L C M = 17 \times 5 = 85$

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What is the L.C.M. of 17 and 5 ?

The correct option is A 85First we write all numbers as product of their prime numbers. So,17=1×175=1×5We then choose each prime number with the greatest power and multiply them to get the LCM.∴LCM=17×5=85

What is the L.C.M. of $17$ and $5$ ?

The correct option is A $85$
First we write all numbers as product of their prime numbers.
So,
$17 = 1 \times 17$
$5 = 1 \times 5$

We then choose each prime number with the greatest power and multiply them to get the LCM.
$∴ L C M = 17 \times 5 = 85$