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