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