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