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