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