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