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