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