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