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Factors, Multiples & Primes

If X is divisible by Y, then Y is a factor of X
Example
Factors of 12 are:
1, 2, 3, 4, 6, 12.
Practice
Lvl 1
Write 90 as a product of its prime factors.




 Number
  Algebra
  Ratio & Proportion
  Geometry
  Probability
  Statistics