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