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