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