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