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