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