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