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