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