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