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