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