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