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