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