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