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