Find the lcm and hcf of the following integers by the prime factorization method 1. (12,15 and 29). 2. (17,23 & 29). 3. (8,9 & 25). 4, (72&108). 5. (306&657)
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1.180 2.11339 3.180 4.216
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12=1,2,3,4,6,12
15=1,3,5
29=1,29.
HCF is 1
17=1,17
23=1,23
29=1,29
HCF is 1
8=1,2,4,8
9=1,3,9
25=1,5,25
HCF is 1
72=1,2,3,4,6,8,9,12,18,24,36,72
108=1,2,3,4,6,9,12,27,36,54,108
HCF is 1728
15=1,3,5
29=1,29.
HCF is 1
17=1,17
23=1,23
29=1,29
HCF is 1
8=1,2,4,8
9=1,3,9
25=1,5,25
HCF is 1
72=1,2,3,4,6,8,9,12,18,24,36,72
108=1,2,3,4,6,9,12,27,36,54,108
HCF is 1728
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