Prime & Composite Bảng tính

Được đề xuất cho lớp 4 — lớp 6

Bảng tính mới

Prime & Composite Bảng tính

Tên: ____________________Ngày: ____________

Hướng dẫn: Nhận biết số nguyên tố, hợp số và viết phân tích thành thừa số nguyên tố.

20 vấn đề

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