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