Using prime factorization, find the HCF and LCM of  12,15, 21 . - Mathematics | Shaalaa.com
Using prime factorization, find the HCF and LCM of  12,15, 21 . - Math…
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The HCF and LCM of 21,12,15 is
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Ex 1.1, 3 (i) - Find LCM and HCF of 12, 15 and 21 [with Video]
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The HCF and the LCM of 12, 21, 15 respectively are: a) 3, 140 b) 420, b) 420, 3 c) 12, 420 d) 3,420
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