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