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