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