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