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