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