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What is the HCF (Highest Common Factor) of 26 and 91?

A. 15
B. 13
C. 19
D. 11

Sagot :

GinnyAnsweridn
To determine the Highest Common Factor (HCF) of 26 and 91, we follow the steps outlined below:

1. Find the factors of each number:
- Factors of 26: 1, 2, 13, 26
- Factors of 91: 1, 7, 13, 91

2. Identify the common factors:
- Common factors of 26 and 91: 1, 13

3. Choose the greatest common factor:
- The greatest common factor (HCF) among 1 and 13 is 13.

Therefore, the HCF of 26 and 91 is 13. So, the correct option is (b) 13.
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