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