How to Solve Number of Common Factors Problem
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Number of Common Factors
Given two positive integers a and b, return the number of common factors of a and b. An integer x is a common factor of a and b if x divides both a and b.
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Understanding the Number of Common Factors Problem
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Problem Statement
Given two positive integers a and b, return the number of common factors of a and b. An integer x is a common factor of a and b if x divides both a and b.
Number of Common Factors
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Examples
a = 12, b = 6
4
The common factors of 12 and 6 are 1, 2, 3, 6.
a = 25, b = 30
2
The common factors of 25 and 30 are 1, 5.
Constraints
1 <= a, b <= 1000
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