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