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