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