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