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