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