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