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