Question
Find the greatest number that divides 3 & 6 exactly.
Answer: Option B
:
B
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:
B
A number that divides 3 and 6 exactly is a common factor of 3 and 6.
∴ The greatest number that divides 3 and 6 is equal to their Highest Common Factor (HCF).
We need to find the HCF of 3 and 6.
Factors of 3 = 1 , 3
Factors of 6 = 1 , 2 , 3 , 6
The common factors of 3 and 6 are 1 and 3.
∴ The highest common factor of 3 and 6 is 3.
∴The greatest number that divides 3 and 6 exactly is 3.
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