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