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