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