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