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