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