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