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