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