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