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