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