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