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