The H.C.F of $25$ and $135$ is

$3$

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$5$

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$9$

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none of these

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Solution

The correct option is B
$5$

By Prime Factorization,
$25 = 5 \times 5$
$135 = 3 \times 3 \times 3 \times 5$
HCF means the highest common factor which is $5$
Hence option (B) is the correct option.

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Similar questions

135

225

Step1: 225 = 135 × 1 + 90

Step2: 135 = × 1 + 45

Step3: 90 = 45 × 2 + 0

Hence, is the HCF of 135 and 225.

Using Euclid's division algorithm, find the HCF of 135 and 225.

H C F

135

225

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