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