13
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15
1, 3, 5, 13, 15, 39, 65, 195.
The least common multiple (LCM) of 13 and 15 is 195.LCM is the product divided by the GCF.Since 13 is prime, the GCF is 1.The answer is just 13*15/1 = 195
x/13 = 15 x = 15(13) x = 195
195
195
195
195
2.6
195
Since 15 is a factor of 195, it is automatically the GCF.
15 percent of 195 is 29.25