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