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