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