Find the common factors of the following numbers: a) 9,15 b) 12,48
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Write all the factors of the given numbers and list their common factors. (1) 12 ... Find the HCF of the following numbers. ... Factors of 144: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
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Step-by-step explanation:
multiple of 6 are 6,12,18,30,36,42,54,60,66....
multiple of 8 are 8,16,32,40,56,64,80,88,...
therefore, the first three common multiples between 6 and 8 are 24,48 and 72.
ii) 12 and 18
multiple of 12 are 12,24,36,48,60,72,84,96,108....
multiple of 18 are 18,36,54,72,108,126,144,162,180,...
therefore, the first three common multiples between 12 and 18 are 36,72,108.
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