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