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