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