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