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