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