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