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