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