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