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