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