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