The Highest Common Factor (HCF) of 8 and 13 is 1. This is because 8 and 13 are both prime numbers, meaning they have no common factors other than 1. In other words, there are no integers other than 1 that can divide both 8 and 13 without leaving a remainder.
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The GCF is 13.
13The GCF is 13.
It is 8
The GCF is 2.
To find the LCM, you multiply the numbers together and then divide by the HCF. In this case, we don't know the numbers, but we have the HCF (13) and we have the product of the numbers (1690). Thus all you do is divide 1690 by 13 to get: 1690/13 = 130 And thus the LCM of two numbers whose hcf is 13 and product is 1690 is 130.