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