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