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