F.9

Prime & Composite Numbers

Q1 · Sep–Nov

Classify numbers as prime or composite and write prime factorizations up to 100.

Level
Medium
Problems
Daniel Math Academy · Grade 5 Math

Prime & Composite Numbers

Skill F.9 · Primes, factors & multiples · ★★☆ Medium · Quarter 1

Name
 
Date
 
Score/ 5

Answer each question.

Example

Think: Keep splitting into factors until every factor is prime.

  1. 1
    Write the prime factorization of 21.
  2. 2
    Write the prime factorization of 9.
  3. 3
    Write the prime factorization of 25.
  4. 4
    Write the prime factorization of 16.
  5. 5
    Write the prime factorization of 34.
Daniel Math Academy · danielmath.comWorksheet #8reptyv · Page 1 / 2
Daniel Math Academy · Grade 5 Math

Answer Key

F.9 Prime & Composite Numbers · ★★☆ Medium

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
Daniel Math Academy · danielmath.comWorksheet #8reptyv · Answer Key · Page 2 / 2