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