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