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