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