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