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