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