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