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