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