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