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