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