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