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