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