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