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