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