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