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