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