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