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