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