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