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