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