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