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