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