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