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