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