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