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