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