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