Exercise problems VI — task. Mathematics CBSE, Class 10.

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Find the LCM and HCF of the following integers by applying the prime factorization method.

1.

$12, 15$ and

$21$

$HCF$ of

$12, 15$ and

$21=$

$LCM$ of

$12, 15$ and

$21=$

2.

$17, 23$ and

$29$

$HCF$ of

$17, 23$ and

$29=$

$LCM$ of

$17, 23$ and

$29=$

3.

$8, 9$ and

$25$

$HCF$ of

$8, 9$ and

$25=$

$LCM$ of

$8, 9$ and

$25=$

Answer variants:

$420$

$5$

$2400$

$1800$

$11399$

$3$

$1$

$2$

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