WaffleMath LogoWaffleMath
K12345678HSParcourir les normesParcourir les feuilles de calculRessources pour les enseignants

Prime et composite Feuille de travail

Recommandé pour 4e année — 6e année

Plus de Prime et composite jeuxToutes les feuilles de travail
Nouvelle feuille de travail

Prime et composite Feuille de travail

Nom: ____________________Date: ____________

Instructions: Identifier les nombres premiers et composés et rédiger des factorisations premières.

20 problèmes

  1. Prime numbers in {12, 15, 21, 17, 25, 11} → ______
  2. Prime numbers in {17, 15, 21, 27, 11, 19} → ______
  3. Prime numbers in {23, 5, 21, 25, 12, 8} → ______
  4. Prime numbers in {9, 27, 23, 12, 7, 19} → ______
  5. Prime numbers in {27, 7, 23, 5, 25, 21} → ______
  6. Prime numbers in {7, 19, 21, 15, 2, 9} → ______
  7. Prime numbers in {8, 11, 9, 19, 27, 21} → ______
  8. Prime numbers in {9, 13, 8, 15, 21, 25} → ______
  9. Prime numbers in {3, 27, 7, 25, 23, 15} → ______
  10. Prime numbers in {21, 2, 11, 19, 17, 5} → ______
  11. Prime numbers in {3, 5, 11, 17, 19, 12} → ______
  12. Prime numbers in {25, 5, 9, 21, 29, 3} → ______
  13. Prime numbers in {9, 13, 23, 7, 25, 2} → ______
  14. Prime numbers in {29, 9, 27, 15, 19, 5} → ______
  15. Prime numbers in {13, 9, 19, 8, 2, 12} → ______
  16. Prime numbers in {15, 23, 11, 5, 25, 3} → ______
  17. Prime numbers in {12, 2, 5, 21, 17, 9} → ______
  18. Prime numbers in {19, 15, 27, 25, 21, 2} → ______
  19. Prime numbers in {27, 3, 8, 12, 2, 23} → ______
  20. Prime numbers in {13, 7, 21, 9, 12, 19} → ______