Math Crossword #1

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Across
  1. 5. the operation of removing objects from a collection
  2. 6. a number's quality of being evenly divided by another number without a remainder left over
  3. 7. the science and study of quality, structure, space, and change.
  4. 9. (prime)is a process of writing all numbers as a product of primes.
Down
  1. 1. a number with more than 2 factors
  2. 2. bringing two or more numbers or things together to make a new total
  3. 3. a branch of mathematics devoted to the study of integers and interger-valued functions (numbers).
  4. 4. a number that divides another number, leaving no remainder
  5. 8. a number with only a factor of 1 and itself