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