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