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