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