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