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