Find factors, common factors, multiples, and common multiples of two numbers. (SPI 0406.2.4)

Links verified on 11/5/2011

1. All Factors of a Number - This tool will find all the factors of a number (not just the prime factors)
2. Common Factors Calculator - Enter two integers, then click the button. You will be given a list of common integer factors of the two numbers.
3. Common Multiples - definition and examples
4. Factoring: Least Common Multiple - four step lesson which includes a workout at the end
5. Finding The Least Common Multiple Is As Easy As One, Two... - step by step explanation
6. Greatest Common Factor - how to find the GCF
7. Greatest Common Factor - Math is Fun explains how to find GCF and at the end of the explanation provides links to six practice questions
8. Greatest Common Factor Tool - a handy little tool to find the greatest common factor (GCF) of two or three numbers
9. LCM and GCF - how to find least common multiple and greatest common factor from Purple Math
10. Least Common Multiple - explanation followed by 8 multiple choice questions
11. Multiples - explanation and practice problems
12. Using Number Patterns, Fractions, and Ratios - use a Quia quiz to practice greatest common factor, simplify fractions, least common multiple, and divisibility rules [Who Wants to be a Millionaire format]

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