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