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