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