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