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