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