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