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