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