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