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