Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {9, 25, 17, 7, 5, 11} → ______
- Prime numbers in {29, 23, 15, 25, 7, 19} → ______
- Prime numbers in {11, 21, 12, 5, 23, 7} → ______
- Prime numbers in {21, 17, 5, 3, 13, 2} → ______
- Prime numbers in {7, 23, 9, 2, 19, 5} → ______
- Prime numbers in {19, 29, 21, 7, 8, 12} → ______
- Prime numbers in {3, 27, 9, 29, 17, 5} → ______
- Prime numbers in {25, 21, 29, 5, 13, 19} → ______
- Prime numbers in {25, 9, 2, 23, 5, 19} → ______
- Prime numbers in {5, 2, 15, 19, 23, 9} → ______
- Prime numbers in {25, 2, 3, 13, 23, 21} → ______
- Prime numbers in {23, 5, 17, 11, 9, 15} → ______
- Prime numbers in {29, 15, 19, 9, 7, 8} → ______
- Prime numbers in {3, 11, 8, 13, 9, 2} → ______
- Prime numbers in {9, 7, 27, 11, 25, 19} → ______
- Prime numbers in {19, 25, 3, 2, 5, 17} → ______
- Prime numbers in {2, 23, 3, 13, 21, 12} → ______
- Prime numbers in {21, 12, 19, 17, 8, 5} → ______
- Prime numbers in {8, 17, 12, 19, 15, 7} → ______
- Prime numbers in {29, 9, 17, 7, 15, 12} → ______