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