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