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