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