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