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 {13, 7, 27, 17, 2, 19} → ______
- Prime numbers in {5, 23, 2, 19, 21, 29} → ______
- Prime numbers in {27, 21, 19, 2, 29, 8} → ______
- Prime numbers in {27, 9, 29, 15, 19, 3} → ______
- Prime numbers in {9, 3, 11, 13, 2, 5} → ______
- Prime numbers in {19, 27, 9, 13, 23, 17} → ______
- Prime numbers in {9, 29, 17, 5, 3, 25} → ______
- Prime numbers in {29, 25, 19, 21, 13, 8} → ______
- Prime numbers in {8, 13, 29, 27, 3, 12} → ______
- Prime numbers in {15, 23, 11, 2, 8, 7} → ______
- Prime numbers in {3, 7, 11, 17, 8, 15} → ______
- Prime numbers in {7, 15, 8, 29, 19, 11} → ______
- Prime numbers in {15, 9, 27, 17, 29, 21} → ______
- Prime numbers in {9, 15, 3, 17, 25, 29} → ______
- Prime numbers in {25, 19, 29, 17, 8, 2} → ______
- Prime numbers in {2, 8, 23, 7, 15, 19} → ______
- Prime numbers in {21, 7, 19, 25, 5, 2} → ______
- Prime numbers in {7, 19, 9, 17, 8, 12} → ______
- Prime numbers in {21, 19, 12, 13, 9, 25} → ______
- Prime numbers in {19, 2, 11, 8, 5, 12} → ______