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