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