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