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