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