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Divisibility intuition

Example of Sal working on KA Divisibility Module: http://www.khanacademy.org/math/arithmetic/factors-multiples/e/divisibility_intuition

Khan Academy
Divisibility and factors
501
03:09

Finding factors and multiples

Khan Academy
Divisibility and factors
484
03:59

Finding factors of a number

Finding Factors of a Number

Khan Academy
Divisibility and factors
466
09:52