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