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