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