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