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