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